JJ Thomson (student preso)
•
3 likes•1,858 views
student presentation general physics 1 presentation 2 group 3 Physics Nobel Prize Winner 21 Feb 2009
Report
Share
Report
Share
![[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
Sir J.J Thomson
Sir J.J. Thomson discovered electrons through his experiments with cathode rays in 1897, proving that the fundamental unit of electricity was over 1000 times smaller than an atom. He was awarded the 1906 Nobel Prize in Physics for this discovery and for his work on the conduction of electricity in gases. Throughout his career, Thomson made several other contributions including discovering the natural radioactivity of potassium in 1905 and demonstrating that hydrogen had only a single electron per atom in 1906.
Neils bohr
Kaveri.P submitted a report on physicist Neils Bohr to their lecturer Smt. Lini Teacher. The report discusses Bohr's background growing up in an environment favorable to scientific development. It describes how after graduating from university in 1909, Bohr introduced the Rutherford-Bohr model of the atom in 1913, depicting electrons orbiting the nucleus similar to planets around the Sun. Some of Bohr's major contributions included the shell model of the atom, correspondence principle, liquid drop model of the atomic nucleus, and the principle of complementarity. Bohr died in 1962 at age 77 from heart failure and is honored through the Neils Bohr Institute and elements named after him like Bohrium.
Henri Becquerel
Henri Becquerel discovered radioactivity in 1896 almost by accident. While experimenting with uranium salts and their effect on photographic plates, he discovered that the plates were exposed even when not in direct sunlight, showing that uranium emitted radiation without an external energy source. This led to his discovery of radioactivity, the spontaneous emission of radiation by a material without external energy. For this discovery, which helped establish the field of nuclear physics, Becquerel shared the 1903 Nobel Prize in Physics with the Curies.
Subrahmanya chandrashekar1
Subrahmanyan Chandrasekhar was born in 1910 in India. He received his early education in India and received his PhD from Cambridge University in 1933. In 1930, he discovered the Chandrasekhar limit, which established the maximum mass that can be supported by the pressure of electrons in a white dwarf star. This discovery led to the later discoveries of neutron stars and black holes. Throughout his career, Chandrasekhar made seminal contributions to the fields of stellar structure and evolution. He was awarded the Nobel Prize in Physics in 1983 for his work on stellar structure and evolution. Chandrasekhar passed away in 1995 at the age of 84.
Subrahmanyan chandrasekhar
Subrahmanyan Chandrasekhar was an Indian-American astrophysicist who won the 1983 Nobel Prize in Physics for his work on stellar structure and evolution. His most notable work calculated the maximum mass of a white dwarf star, known as the Chandrasekhar limit, which he determined to be approximately 1.44 solar masses. This limit describes the threshold above which a star will collapse into a neutron star or black hole rather than remaining a white dwarf. Chandrasekhar made this seminal calculation in 1930 and contributed significantly to the understanding of stellar evolution and late stage massive stars.
J.J.Thomson's model of an atom
The cathode ray tube (CRT) is a vacuum tube that contains electron guns and a fluorescent screen to display images such as electrical waveforms, pictures, or radar targets. Electrons are emitted from the cathode and accelerated toward the anode, then deflected by electric or magnetic fields to excite points on the screen to produce the image. CRTs were also used as early computer memory by using the visible pattern on the screen to represent stored data. J.J. Thomson conducted experiments deflecting cathode rays with electric and magnetic fields, determining that the rays consisted of charged particles that were deflected in predictable ways, helping identify the electron.
albert EINSTEIN
- Albert Einstein was born in Germany in 1879 and is considered one of the greatest physicists of the 20th century.
- In his "miracle year" of 1905, the 26-year-old Einstein published four groundbreaking papers, including his paper on the photoelectric effect which won him the Nobel Prize and his theory of special relativity which introduced his famous equation E=mc2.
- Einstein's work was instrumental in the development of the atomic bomb during World War II and he is renowned for his intellectual achievements as well as his pacifist views.
History of the Periodic Table
This document provides a history of the development of the periodic table of elements from ancient Greek philosophers' idea of basic elements to modern structure. It describes early classifications by Lavoisier and Döbereiner and periodic law discoveries by Newlands and Mendeleev who arranged elements by atomic mass, allowing prediction of undiscovered elements. Later, Moseley introduced atomic number based on x-ray frequencies and Seaborg proposed a new lanthanide and actinide series placement based on electronic structure.
Recommended
Sir J.J Thomson
Sir J.J. Thomson discovered electrons through his experiments with cathode rays in 1897, proving that the fundamental unit of electricity was over 1000 times smaller than an atom. He was awarded the 1906 Nobel Prize in Physics for this discovery and for his work on the conduction of electricity in gases. Throughout his career, Thomson made several other contributions including discovering the natural radioactivity of potassium in 1905 and demonstrating that hydrogen had only a single electron per atom in 1906.
Neils bohr
Kaveri.P submitted a report on physicist Neils Bohr to their lecturer Smt. Lini Teacher. The report discusses Bohr's background growing up in an environment favorable to scientific development. It describes how after graduating from university in 1909, Bohr introduced the Rutherford-Bohr model of the atom in 1913, depicting electrons orbiting the nucleus similar to planets around the Sun. Some of Bohr's major contributions included the shell model of the atom, correspondence principle, liquid drop model of the atomic nucleus, and the principle of complementarity. Bohr died in 1962 at age 77 from heart failure and is honored through the Neils Bohr Institute and elements named after him like Bohrium.
Henri Becquerel
Henri Becquerel discovered radioactivity in 1896 almost by accident. While experimenting with uranium salts and their effect on photographic plates, he discovered that the plates were exposed even when not in direct sunlight, showing that uranium emitted radiation without an external energy source. This led to his discovery of radioactivity, the spontaneous emission of radiation by a material without external energy. For this discovery, which helped establish the field of nuclear physics, Becquerel shared the 1903 Nobel Prize in Physics with the Curies.
Subrahmanya chandrashekar1
Subrahmanyan Chandrasekhar was born in 1910 in India. He received his early education in India and received his PhD from Cambridge University in 1933. In 1930, he discovered the Chandrasekhar limit, which established the maximum mass that can be supported by the pressure of electrons in a white dwarf star. This discovery led to the later discoveries of neutron stars and black holes. Throughout his career, Chandrasekhar made seminal contributions to the fields of stellar structure and evolution. He was awarded the Nobel Prize in Physics in 1983 for his work on stellar structure and evolution. Chandrasekhar passed away in 1995 at the age of 84.
Subrahmanyan chandrasekhar
Subrahmanyan Chandrasekhar was an Indian-American astrophysicist who won the 1983 Nobel Prize in Physics for his work on stellar structure and evolution. His most notable work calculated the maximum mass of a white dwarf star, known as the Chandrasekhar limit, which he determined to be approximately 1.44 solar masses. This limit describes the threshold above which a star will collapse into a neutron star or black hole rather than remaining a white dwarf. Chandrasekhar made this seminal calculation in 1930 and contributed significantly to the understanding of stellar evolution and late stage massive stars.
J.J.Thomson's model of an atom
The cathode ray tube (CRT) is a vacuum tube that contains electron guns and a fluorescent screen to display images such as electrical waveforms, pictures, or radar targets. Electrons are emitted from the cathode and accelerated toward the anode, then deflected by electric or magnetic fields to excite points on the screen to produce the image. CRTs were also used as early computer memory by using the visible pattern on the screen to represent stored data. J.J. Thomson conducted experiments deflecting cathode rays with electric and magnetic fields, determining that the rays consisted of charged particles that were deflected in predictable ways, helping identify the electron.
albert EINSTEIN
- Albert Einstein was born in Germany in 1879 and is considered one of the greatest physicists of the 20th century.
- In his "miracle year" of 1905, the 26-year-old Einstein published four groundbreaking papers, including his paper on the photoelectric effect which won him the Nobel Prize and his theory of special relativity which introduced his famous equation E=mc2.
- Einstein's work was instrumental in the development of the atomic bomb during World War II and he is renowned for his intellectual achievements as well as his pacifist views.
History of the Periodic Table
This document provides a history of the development of the periodic table of elements from ancient Greek philosophers' idea of basic elements to modern structure. It describes early classifications by Lavoisier and Döbereiner and periodic law discoveries by Newlands and Mendeleev who arranged elements by atomic mass, allowing prediction of undiscovered elements. Later, Moseley introduced atomic number based on x-ray frequencies and Seaborg proposed a new lanthanide and actinide series placement based on electronic structure.
discovery of proton
Eugen Goldstein was a German physicist born in 1850 who made early investigations of discharge tubes and discovered anode rays. He is sometimes credited with the discovery of the proton. In the 1870s, Goldstein undertook his own investigations of discharge tubes and named the light emissions studied by others cathode rays. Goldstein conducted experiments with canal rays that contributed to the discovery of the proton.
discovery of electrons
The document discusses the discovery and early study of electrons. Cathode rays were first observed in vacuum tubes in the 1850s and were studied by scientists like Hittorf, Crookes, and Goldstein. J.J. Thomson identified cathode rays as particles called "electrons" in 1897 based on experiments showing their small size and high charge to mass ratio. Rutherford later disproved Thomson's "plum pudding" atomic model using alpha particle scattering experiments. This led to Bohr's model of electrons orbiting the nucleus. Discovery of X-rays by Röntgen using a Crookes tube further demonstrated applications of electron beams.
Discovery of Electrons and Protons
This power point slides presents how the electrons and protons were discovered together with the personalities involved with this scientific breakthrough.
Presentation of Atomic bombs
This document provides information about atomic bombs and their consequences. It discusses various types of nuclear reactions including fusion, fission, spallation, and induced gamma emission. Fission reactions can result in uncontrolled chain reactions powering nuclear weapons. The document outlines the basic types of nuclear weapons including pure fission weapons, boosted fission weapons, thermonuclear weapons, and enhanced radiation weapons. It provides details on how each type of weapon works and its intended use and yield.
Nuclear physics
- The atomic model has evolved over time based on new evidence and experiments. Early thinkers proposed ideas including Democritus' atomic theory of small indivisible particles. John Dalton later proposed atoms of different elements have distinct properties. J.J. Thomson discovered the electron and proposed the plum pudding model. Rutherford's gold foil experiment showed the atom's small, dense nucleus. Niels Bohr incorporated electron orbits into his model. Later, Schrodinger and others developed the concept of electron clouds. Chadwick discovered the neutron in 1932, completing the standard atomic model.
Rutherford's model of an atom and alpha particle scattering experiment
Rutherford conducted an experiment where he aimed a beam of alpha particles at a thin gold foil. Most particles passed through but some bounced straight back, indicating the atom had a small, dense, positively charged nucleus. This led to Rutherford's model of the atom as a small nucleus surrounded by orbiting electrons. However, this model is unstable as electromagnetic theory suggests electrons in circular orbits would radiate energy and eventually collide with the nucleus. A new model was needed to explain the stability of atoms.
Ernest Rutherford
Ernest Rutherford was a Nobel Prize-winning physicist known as the "Father of Nuclear Physics". He discovered two types of radiation emitted from radioactive materials, which he named alpha and beta rays. Through experiments, he demonstrated that radioactivity is caused by the spontaneous disintegration of atoms. Rutherford also performed the gold foil experiment, which provided evidence for the nuclear structure of the atom and helped establish the Rutherford model of the atom.
Thomson atom model
J.J. Thomson was a British physicist born in 1856 who made several important discoveries about the structure of atoms. He discovered the electron in 1897 and proposed the "plum pudding" model of the atom, which depicted the atom as a ball of positive charge with electrons embedded inside. In 1904, Thomson discovered the atomic nucleus at the center of the atom. His work established that atoms can be divided into smaller parts.
Atomic bomb
An uncontrolled nuclear fission device(fission of the nuclei of Uranium or Plutonium in a chain reaction) that release large amount of energy.
Special Theory of Relativity
The document summarizes key principles of Einstein's Special Theory of Relativity, including:
1) The principle of relativity states that the laws of physics are the same in all inertial reference frames.
2) The principle of the constant speed of light asserts that the speed of light in vacuum is the same for all observers, regardless of their motion.
3) These principles lead to two consequences - time dilation, where time passes more slowly for moving observers, and length contraction, where objects contract along the direction of motion as they approach the speed of light.
The Atom
- Atoms are the building blocks of matter and the smallest individual parts that make up elements, consisting of subatomic particles like protons, electrons, and neutrons.
- Theories of atomic structure have evolved over time from early Greek philosophers' ideas of basic elements to J.J. Thomson's discovery of electrons and Rutherford's discovery of the dense atomic nucleus at the center, surrounded by orbiting electrons.
- Modern atomic theory incorporates concepts like Bohr's planetary model of electron orbits and specific energy levels within atoms.
The wave-particle duality and the double slit experiment
From the Udemy online course "The weird World of Quantum Physics - A primer on the conceptual foundations of Quantum Physics": https://www.udemy.com/quantum-physics/?couponCode=SLIDESHCOUPON
Presentation on einstein
Albert Einstein was born in Ulm, Germany in 1879. As a child, he was fascinated by a compass and wanted to understand the invisible forces that guided it. In 1905, while working as a patent clerk in Germany, Einstein developed his Special Theory of Relativity and introduced the world to the idea that light exists as particles called photons. He went on to publish additional groundbreaking papers that year, including his famous equation E=mc2. Einstein later completed his General Theory of Relativity in 1915, which revolutionized the scientific understanding of gravity. He died in 1955 in Princeton, New Jersey at the age of 76, leaving behind a transformed scientific world.
Marie curie
Marie Curie was born in Poland in 1867 and became the first woman to win a Nobel Prize. She studied physics and mathematics at the University of Paris and discovered the radioactive elements polonium and radium. Curie conducted her research with her husband Pierre in poor conditions, isolating radioactive substances from tons of ore. She was awarded the Nobel Prize in Physics in 1903 along with her husband and Henri Becquerel for their research on radioactivity, and won the 1911 Nobel Prize in Chemistry. Curie passed away in 1934 from leukemia resulting from her exposure to radiation during her scientific work.
cosmic microwave background radiation (CMB).pdf
this is my pdf file of the seminar which i have given in my undergraduate physics degree.
the topic was cosmic microwave background radiation. feel free to use it.
Edwin Hubble
Edwin Hubble was an American astronomer born in 1889 who made several groundbreaking discoveries about the universe, including Hubble's Law which showed a relationship between galaxies' speeds and distances, demonstrating the universe's expansion. He also proved the existence of galaxies outside the Milky Way. Hubble received many honors for his work, including medals from scientific organizations, and several places and objects in space are named after him, including the Hubble Space Telescope launched in 1990 which takes high quality photographs from its orbit around Earth.
Lecture 1-The Nature of Radiation
This document provides an introduction to radiation and nuclear physics concepts. It defines key terms like isotopes, nuclides, and radionuclides. It describes the major types of radiation and their interactions in matter, including ionization, Bremsstrahlung, the photoelectric effect, Compton scattering, and pair production. Empirical equations are presented to calculate the range of alpha particles, beta particles, and protons. Exponential decay equations are also described. Finally, an overview of the Chart of Nuclides is given, which maps all known isotopes.
The Balmer series of the hydrogen spectrum
Balmer is well renowned for his research on the hydrogen spectral series. The part of the hydrogen emission spectrum that corresponds to electron transitions from higher orbicular states n>2 to the energy level with principal quantum number n=2 is a series of spectral lines known as the Balmer series. And the Balmer series consists of a sequence of spectral emissions in both ultraviolet and visible regions of the electromagnetic spectrum.
Rutherford’s atomic model
Rutherford designed an experiment in 1911 where he bombarded a thin gold foil with alpha particles. He observed that most particles passed through, some were deflected at small angles, and a few were scattered at large angles or bounced back. From this, Rutherford concluded that atoms have a tiny, massive positive nucleus surrounded by electrons in orbits. This overturned Thomson's "plum pudding" model of the atom. Rutherford's results could not be explained by Maxwell's electrodynamics and he could not explain how electrons remained stable in their orbits without losing energy and spiraling into the nucleus.
Niels Bohr Theory and its famous quotes
Here i try to conveying the niels bohr life journey and his theory work with great scientist, and his famous quotation
LECTURE 14 ATOMIC STRUCTURE ELECTRONS, PROTONS and NEUTRONS.docx
LECTURE 14 ATOMIC STRUCTURE: ELECTRONS, PROTONS and NEUTRONS
The above figure displays a cathode-ray tube (CRT). Today, a CRT is described as a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images. It modulates, accelerates, and deflects electron beams onto a screen tocreate the images. The images may represent electrical waveforms (in an oscilloscope), pictures (a television screen, computer monitor), radar targets, or other phenomena.
We now know that cathode rays are streams of electrons observed in discharge tubes. If an evacuated glass tube (upper image) is equipped with two electrodes and a voltage is applied, glass behind the positive electrode is observed to glow (lower image), due to electrons emitted from the negative cathode.
The above “official” account presupposes that one knows what an electron is and what are its physical properties (mass and charge). The discovery of the electron opened up a whole new chapter in the understanding of matter. This led to the realization that light and matter could not be fully understood using the classicallaws of physics, and that a totally different way of understanding nature was needed. Thus emerged, beginning in the last years of the 19th century, a completely new description of light and matter. This new description became known as quantum mechanics, and resulted in the quantum theory of atoms, molecules and the chemical bond. This is the historical journey on which we shall embark in this Lecture.
Cathode rays were discovered by Julius Plücker (1801-1868) and Johann Wilhelm Hittorf(1824-1914). Their experimental apparatus depended on two earlier inventions: 1) Volta’s battery; and, 2) a sealed glass tube in which a partial vacuum was maintained. The latter was invented by a German physicist and glassblower, Heinrich Geissler, in 1857.
Hittorf observed that some unknown rays were emitted from the cathode (negative electrode) which could cast shadows on the glowing wall of the tube, indicating the rays were traveling in straight lines. In 1890, Arthur Schuster demonstrated cathode rays could be deflected by electric fields, and William Crookes showed they could be deflected by magnetic fields.
It was these experiments on cathode rays inside the cathode ray tube that drew the attention of Röntgen. After repeating the above experiments, he began to study the radiation emitted outside the cathode ray tube, using fluorescent chemical sensors, e.g., barium platinocyanide, to detect radiation. His discovery of x-rays on November 8, 1895 was communicated to the Physico-Medical Society of Würzburg later in November, 1895. A translation of his paper appeared two months later on January 23, 1896 in the English journal, Nature. (You can dial up this article on Gallica and read it for yourself).
Paraphrasing Louis XV(1710 – 1774) of France, were he not such a humble, unassuming man,Röntgenmight have said "A.
Experimenters had noticed that sparks travel thro.pdf
Experimenters had noticed that sparks travel through rarefied (i.e. low pressure) air
since the time of Franklin. The basic setup was to have two metal plates inside a glass tube. The
air was removed from the glass container with a pump. One plate (called the cathode) was
connected to the negative side of an electrical supply and the other (called the anode) was
connected to the positive side of the electrical supply. As pump technology improved, the
appearance of the “spark” within the tube changed. A jumpy purplish stream replaced the spark,
and in the 1830s Faraday noticed that a dark spot opened up in the beam near the cathode. By
1870, pump technology had improved considerably and the dark spot had expanded to fill the
entire tube and experimentalists noticed that the glass glowed where the “cathode rays” (as they
were being called at that time) hit the glass. In the last half of the 19th century, scientists did
many experiments with cathode ray tubes and tried to use the results to determine the nature of
cathode rays. In 1879, Sir William Crookes demonstrated that cathode rays travel in straight lines
by using the tube shown at the right. Crookes also demonstrated that magnetic fields could
deflect cathode rays. He found that the properties of cathode rays did not depend on the metal
used to make the cathode and anode. According to Crookes, the current in the tube consisted of
negatively charged gas molecules repelled from the cathode and traveling to the anode. Heinrich
Hertz, a leading German experimentalist, tried to deflect cathode rays with an electric field, but
was not able to do so. Since he knew that charged particles are deflected by electric fields, Hertz
concluded that cathode rays were not charged particles, but waves that could be deflected with
magnetic fields. In 1894, J.J. Thomson, an English physicist, began a series of experiments that
would resolve the controversy about cathode rays and lead to the discovery of the first subatomic
particle. By constructing a cathode ray tube with the deflector plates inside the glass tube (at
right), Thomson discovered --in direct contradiction with Hertz-- that cathode rays could be
deflected by an electric field. Thomson’s tube design allowed him to determine the ratio of the
cathode ray particle’s charge to its mass. The clever experiment exploits two ideas that were
known about the interaction between electromagnetic fields and charged particles: Use the
below link for clear diagrammatic explanation http://www.dartmouth.edu/~phys1/labs/lab3.pdf
Solution
Experimenters had noticed that sparks travel through rarefied (i.e. low pressure) air
since the time of Franklin. The basic setup was to have two metal plates inside a glass tube. The
air was removed from the glass container with a pump. One plate (called the cathode) was
connected to the negative side of an electrical supply and the other (called the anode) was
connected to the positive side of the electrical supply. As pump tec.
More Related Content
What's hot
discovery of proton
Eugen Goldstein was a German physicist born in 1850 who made early investigations of discharge tubes and discovered anode rays. He is sometimes credited with the discovery of the proton. In the 1870s, Goldstein undertook his own investigations of discharge tubes and named the light emissions studied by others cathode rays. Goldstein conducted experiments with canal rays that contributed to the discovery of the proton.
discovery of electrons
The document discusses the discovery and early study of electrons. Cathode rays were first observed in vacuum tubes in the 1850s and were studied by scientists like Hittorf, Crookes, and Goldstein. J.J. Thomson identified cathode rays as particles called "electrons" in 1897 based on experiments showing their small size and high charge to mass ratio. Rutherford later disproved Thomson's "plum pudding" atomic model using alpha particle scattering experiments. This led to Bohr's model of electrons orbiting the nucleus. Discovery of X-rays by Röntgen using a Crookes tube further demonstrated applications of electron beams.
Discovery of Electrons and Protons
This power point slides presents how the electrons and protons were discovered together with the personalities involved with this scientific breakthrough.
Presentation of Atomic bombs
This document provides information about atomic bombs and their consequences. It discusses various types of nuclear reactions including fusion, fission, spallation, and induced gamma emission. Fission reactions can result in uncontrolled chain reactions powering nuclear weapons. The document outlines the basic types of nuclear weapons including pure fission weapons, boosted fission weapons, thermonuclear weapons, and enhanced radiation weapons. It provides details on how each type of weapon works and its intended use and yield.
Nuclear physics
- The atomic model has evolved over time based on new evidence and experiments. Early thinkers proposed ideas including Democritus' atomic theory of small indivisible particles. John Dalton later proposed atoms of different elements have distinct properties. J.J. Thomson discovered the electron and proposed the plum pudding model. Rutherford's gold foil experiment showed the atom's small, dense nucleus. Niels Bohr incorporated electron orbits into his model. Later, Schrodinger and others developed the concept of electron clouds. Chadwick discovered the neutron in 1932, completing the standard atomic model.
Rutherford's model of an atom and alpha particle scattering experiment
Rutherford conducted an experiment where he aimed a beam of alpha particles at a thin gold foil. Most particles passed through but some bounced straight back, indicating the atom had a small, dense, positively charged nucleus. This led to Rutherford's model of the atom as a small nucleus surrounded by orbiting electrons. However, this model is unstable as electromagnetic theory suggests electrons in circular orbits would radiate energy and eventually collide with the nucleus. A new model was needed to explain the stability of atoms.
Ernest Rutherford
Ernest Rutherford was a Nobel Prize-winning physicist known as the "Father of Nuclear Physics". He discovered two types of radiation emitted from radioactive materials, which he named alpha and beta rays. Through experiments, he demonstrated that radioactivity is caused by the spontaneous disintegration of atoms. Rutherford also performed the gold foil experiment, which provided evidence for the nuclear structure of the atom and helped establish the Rutherford model of the atom.
Thomson atom model
J.J. Thomson was a British physicist born in 1856 who made several important discoveries about the structure of atoms. He discovered the electron in 1897 and proposed the "plum pudding" model of the atom, which depicted the atom as a ball of positive charge with electrons embedded inside. In 1904, Thomson discovered the atomic nucleus at the center of the atom. His work established that atoms can be divided into smaller parts.
Atomic bomb
An uncontrolled nuclear fission device(fission of the nuclei of Uranium or Plutonium in a chain reaction) that release large amount of energy.
Special Theory of Relativity
The document summarizes key principles of Einstein's Special Theory of Relativity, including:
1) The principle of relativity states that the laws of physics are the same in all inertial reference frames.
2) The principle of the constant speed of light asserts that the speed of light in vacuum is the same for all observers, regardless of their motion.
3) These principles lead to two consequences - time dilation, where time passes more slowly for moving observers, and length contraction, where objects contract along the direction of motion as they approach the speed of light.
The Atom
- Atoms are the building blocks of matter and the smallest individual parts that make up elements, consisting of subatomic particles like protons, electrons, and neutrons.
- Theories of atomic structure have evolved over time from early Greek philosophers' ideas of basic elements to J.J. Thomson's discovery of electrons and Rutherford's discovery of the dense atomic nucleus at the center, surrounded by orbiting electrons.
- Modern atomic theory incorporates concepts like Bohr's planetary model of electron orbits and specific energy levels within atoms.
The wave-particle duality and the double slit experiment
From the Udemy online course "The weird World of Quantum Physics - A primer on the conceptual foundations of Quantum Physics": https://www.udemy.com/quantum-physics/?couponCode=SLIDESHCOUPON
Presentation on einstein
Albert Einstein was born in Ulm, Germany in 1879. As a child, he was fascinated by a compass and wanted to understand the invisible forces that guided it. In 1905, while working as a patent clerk in Germany, Einstein developed his Special Theory of Relativity and introduced the world to the idea that light exists as particles called photons. He went on to publish additional groundbreaking papers that year, including his famous equation E=mc2. Einstein later completed his General Theory of Relativity in 1915, which revolutionized the scientific understanding of gravity. He died in 1955 in Princeton, New Jersey at the age of 76, leaving behind a transformed scientific world.
Marie curie
Marie Curie was born in Poland in 1867 and became the first woman to win a Nobel Prize. She studied physics and mathematics at the University of Paris and discovered the radioactive elements polonium and radium. Curie conducted her research with her husband Pierre in poor conditions, isolating radioactive substances from tons of ore. She was awarded the Nobel Prize in Physics in 1903 along with her husband and Henri Becquerel for their research on radioactivity, and won the 1911 Nobel Prize in Chemistry. Curie passed away in 1934 from leukemia resulting from her exposure to radiation during her scientific work.
cosmic microwave background radiation (CMB).pdf
this is my pdf file of the seminar which i have given in my undergraduate physics degree.
the topic was cosmic microwave background radiation. feel free to use it.
Edwin Hubble
Edwin Hubble was an American astronomer born in 1889 who made several groundbreaking discoveries about the universe, including Hubble's Law which showed a relationship between galaxies' speeds and distances, demonstrating the universe's expansion. He also proved the existence of galaxies outside the Milky Way. Hubble received many honors for his work, including medals from scientific organizations, and several places and objects in space are named after him, including the Hubble Space Telescope launched in 1990 which takes high quality photographs from its orbit around Earth.
Lecture 1-The Nature of Radiation
This document provides an introduction to radiation and nuclear physics concepts. It defines key terms like isotopes, nuclides, and radionuclides. It describes the major types of radiation and their interactions in matter, including ionization, Bremsstrahlung, the photoelectric effect, Compton scattering, and pair production. Empirical equations are presented to calculate the range of alpha particles, beta particles, and protons. Exponential decay equations are also described. Finally, an overview of the Chart of Nuclides is given, which maps all known isotopes.
The Balmer series of the hydrogen spectrum
Balmer is well renowned for his research on the hydrogen spectral series. The part of the hydrogen emission spectrum that corresponds to electron transitions from higher orbicular states n>2 to the energy level with principal quantum number n=2 is a series of spectral lines known as the Balmer series. And the Balmer series consists of a sequence of spectral emissions in both ultraviolet and visible regions of the electromagnetic spectrum.
Rutherford’s atomic model
Rutherford designed an experiment in 1911 where he bombarded a thin gold foil with alpha particles. He observed that most particles passed through, some were deflected at small angles, and a few were scattered at large angles or bounced back. From this, Rutherford concluded that atoms have a tiny, massive positive nucleus surrounded by electrons in orbits. This overturned Thomson's "plum pudding" model of the atom. Rutherford's results could not be explained by Maxwell's electrodynamics and he could not explain how electrons remained stable in their orbits without losing energy and spiraling into the nucleus.
Niels Bohr Theory and its famous quotes
Here i try to conveying the niels bohr life journey and his theory work with great scientist, and his famous quotation
What's hot (20)
Rutherford's model of an atom and alpha particle scattering experiment
Rutherford's model of an atom and alpha particle scattering experiment
The wave-particle duality and the double slit experiment
The wave-particle duality and the double slit experiment
Similar to JJ Thomson (student preso)
LECTURE 14 ATOMIC STRUCTURE ELECTRONS, PROTONS and NEUTRONS.docx
LECTURE 14 ATOMIC STRUCTURE: ELECTRONS, PROTONS and NEUTRONS
The above figure displays a cathode-ray tube (CRT). Today, a CRT is described as a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images. It modulates, accelerates, and deflects electron beams onto a screen tocreate the images. The images may represent electrical waveforms (in an oscilloscope), pictures (a television screen, computer monitor), radar targets, or other phenomena.
We now know that cathode rays are streams of electrons observed in discharge tubes. If an evacuated glass tube (upper image) is equipped with two electrodes and a voltage is applied, glass behind the positive electrode is observed to glow (lower image), due to electrons emitted from the negative cathode.
The above “official” account presupposes that one knows what an electron is and what are its physical properties (mass and charge). The discovery of the electron opened up a whole new chapter in the understanding of matter. This led to the realization that light and matter could not be fully understood using the classicallaws of physics, and that a totally different way of understanding nature was needed. Thus emerged, beginning in the last years of the 19th century, a completely new description of light and matter. This new description became known as quantum mechanics, and resulted in the quantum theory of atoms, molecules and the chemical bond. This is the historical journey on which we shall embark in this Lecture.
Cathode rays were discovered by Julius Plücker (1801-1868) and Johann Wilhelm Hittorf(1824-1914). Their experimental apparatus depended on two earlier inventions: 1) Volta’s battery; and, 2) a sealed glass tube in which a partial vacuum was maintained. The latter was invented by a German physicist and glassblower, Heinrich Geissler, in 1857.
Hittorf observed that some unknown rays were emitted from the cathode (negative electrode) which could cast shadows on the glowing wall of the tube, indicating the rays were traveling in straight lines. In 1890, Arthur Schuster demonstrated cathode rays could be deflected by electric fields, and William Crookes showed they could be deflected by magnetic fields.
It was these experiments on cathode rays inside the cathode ray tube that drew the attention of Röntgen. After repeating the above experiments, he began to study the radiation emitted outside the cathode ray tube, using fluorescent chemical sensors, e.g., barium platinocyanide, to detect radiation. His discovery of x-rays on November 8, 1895 was communicated to the Physico-Medical Society of Würzburg later in November, 1895. A translation of his paper appeared two months later on January 23, 1896 in the English journal, Nature. (You can dial up this article on Gallica and read it for yourself).
Paraphrasing Louis XV(1710 – 1774) of France, were he not such a humble, unassuming man,Röntgenmight have said "A.
Experimenters had noticed that sparks travel thro.pdf
Experimenters had noticed that sparks travel through rarefied (i.e. low pressure) air
since the time of Franklin. The basic setup was to have two metal plates inside a glass tube. The
air was removed from the glass container with a pump. One plate (called the cathode) was
connected to the negative side of an electrical supply and the other (called the anode) was
connected to the positive side of the electrical supply. As pump technology improved, the
appearance of the “spark” within the tube changed. A jumpy purplish stream replaced the spark,
and in the 1830s Faraday noticed that a dark spot opened up in the beam near the cathode. By
1870, pump technology had improved considerably and the dark spot had expanded to fill the
entire tube and experimentalists noticed that the glass glowed where the “cathode rays” (as they
were being called at that time) hit the glass. In the last half of the 19th century, scientists did
many experiments with cathode ray tubes and tried to use the results to determine the nature of
cathode rays. In 1879, Sir William Crookes demonstrated that cathode rays travel in straight lines
by using the tube shown at the right. Crookes also demonstrated that magnetic fields could
deflect cathode rays. He found that the properties of cathode rays did not depend on the metal
used to make the cathode and anode. According to Crookes, the current in the tube consisted of
negatively charged gas molecules repelled from the cathode and traveling to the anode. Heinrich
Hertz, a leading German experimentalist, tried to deflect cathode rays with an electric field, but
was not able to do so. Since he knew that charged particles are deflected by electric fields, Hertz
concluded that cathode rays were not charged particles, but waves that could be deflected with
magnetic fields. In 1894, J.J. Thomson, an English physicist, began a series of experiments that
would resolve the controversy about cathode rays and lead to the discovery of the first subatomic
particle. By constructing a cathode ray tube with the deflector plates inside the glass tube (at
right), Thomson discovered --in direct contradiction with Hertz-- that cathode rays could be
deflected by an electric field. Thomson’s tube design allowed him to determine the ratio of the
cathode ray particle’s charge to its mass. The clever experiment exploits two ideas that were
known about the interaction between electromagnetic fields and charged particles: Use the
below link for clear diagrammatic explanation http://www.dartmouth.edu/~phys1/labs/lab3.pdf
Solution
Experimenters had noticed that sparks travel through rarefied (i.e. low pressure) air
since the time of Franklin. The basic setup was to have two metal plates inside a glass tube. The
air was removed from the glass container with a pump. One plate (called the cathode) was
connected to the negative side of an electrical supply and the other (called the anode) was
connected to the positive side of the electrical supply. As pump tec.
Discovery of the atom
Ancient Greek philosophers proposed early models of atoms as fundamental elements like earth, air, fire and water. In the 17th century, Robert Boyle questioned these models and advocated experimentation over philosophy. John Dalton proposed atoms as indivisible, identical spheres that combine to form compounds. J.J. Thompson's "plum pudding" model depicted atoms as positive and negative charges. However, experiments by Ernest Rutherford, Hans Geiger and Ernest Marsden found most alpha particles passed through a gold foil with few deflected, leading Rutherford to propose the planetary model of a small, dense nucleus surrounded by electrons. Later, Henry Moseley arranged elements by atomic number, James Chadwick discovered the neutral neutron in the
Structure of atom
The document summarizes key developments in the understanding of atomic structure:
1) Early philosophers proposed that matter is made of fundamental particles called atoms. In the 1800s, Dalton proposed the first scientific atomic theory, though it failed to explain some experimental results.
2) In the late 1800s, Thomson discovered the electron through cathode ray experiments. Millikan later precisely measured the charge of an electron.
3) Goldstein discovered positively charged particles (protons) in anode rays in 1919. Chadwick discovered the neutron in 1932 by bombarding beryllium with alpha particles.
4) Rutherford's alpha scattering experiments in 1911 showed that the positive charge of atoms is concentrated in a small nucleus
9th e himanshu chemistry project 19
J.J. Thomson discovered the electron in 1897 through experiments with cathode rays. He proposed the "plum pudding" model of the atom, where electrons were embedded in a uniform sphere of positive charge. Ernest Rutherford performed the gold foil experiment in 1909, which led him to propose the Rutherford model of the atom in 1911 - a small, dense nucleus surrounded by orbiting electrons. Neils Bohr improved on this model in 1913 by incorporating quantum theory, explaining the Rydberg formula for hydrogen spectra. In the Bohr model, electrons orbit in discrete energy levels and jump between them, emitting or absorbing photons of specific frequencies.
2 Atomic Structure.ppt
The document discusses the history of atomic structure models from Democritus' idea of atoms to Bohr's model. Some key points:
1. J.J. Thomson's experiments in 1897 led him to propose the "plum pudding" model where electrons were embedded in a uniform positive charge.
2. Rutherford's gold foil experiment in 1911 showed that the atom has a small, dense, positively charged nucleus at its center.
3. Bohr modified Rutherford's model in 1913 to propose that electrons orbit the nucleus in discrete energy levels, explaining atomic line spectra. When electrons fall from higher to lower orbits, photons are emitted.
8th chemistry atomicstructure
The document summarizes the history of atomic structure models from Thomson's "plum pudding" model to Bohr's model. It describes key scientists' contributions, including:
- Thomson's discovery of the electron and proposal that atoms contain positive charge with electrons distributed throughout
- Rutherford's gold foil experiment which led him to propose a small, dense nucleus with electrons in orbits around it
- Bohr's refinement incorporating quantum theory, explaining electron energy levels and spectral lines
Jj thomson draft brgy. 3 (iii antimony)
J.J. Thomson was a British physicist born in 1856 who discovered the electron in 1897. As the director of the Cavendish Laboratory at Cambridge University, Thomson studied electrical currents inside cathode ray tubes and observed that the rays were streams of small, subatomic particles that he called "corpuscles," which we now know as electrons. Thomson's discovery of the electron established it as the first known subatomic particle and earned him the 1906 Nobel Prize in Physics.
Atomic structure
The document discusses the history of the development of atomic structure models from Thomson's plum pudding model to Rutherford's nuclear model. Key events include J.J. Thomson's discovery of the electron, Millikan's oil drop experiment determining the charge of an electron, discovery of the proton through canal ray experiments, Rutherford's alpha particle scattering experiment revealing the dense nucleus at the center of the atom, and Rutherford proposing the nuclear model of the atom. The nuclear model represented a major breakthrough but did not fully explain electron stability.
Electromagnetic spectrum, interaction with matter
what is light, how is it useful in spectroscopy, what are the different ways it can interact with matter
Nikhil duggal
The document discusses the atomic structure and models of the atom. It begins with an acknowledgement and table of contents. It then covers Dalton's atomic theory, subatomic particles like electrons and protons, cathode rays and the discovery of electrons. It discusses the charge to mass ratio of electrons, the discovery of protons and neutrons, and models of the atom including Thomson's model and Rutherford's nuclear model. It also addresses isotopes, limitations of models, wave nature of radiation, and the electromagnetic spectrum.
J j thomson
J.J. Thomson was a British physicist born in 1856. He demonstrated exceptional talent in science from a young age and attended Owens College at the unusually young age of 14. He later studied at Trinity College, where he obtained his BA and MA. Thomson discovered the electron through his experiments with cathode rays in 1897. He determined that cathode rays were over 1,000 times smaller than hydrogen atoms and had a universal negative charge. Thomson's discovery of the electron established it as a fundamental subatomic particle and proved that atoms are divisible. He proposed the "plum pudding" atomic model, with electrons distributed in a sea of positive charge within the atom. Thomson made many contributions to modern science and had seven research assistants and his
J j thomson
J.J. Thomson was a British physicist born in 1856. He demonstrated exceptional talent in science from a young age and attended Owens College at the unusually young age of 14. He later studied at Trinity College, where he obtained his BA and MA. Thomson discovered the electron through his experiments with cathode rays in 1897. He determined that cathode rays were over 1,000 times smaller than hydrogen atoms and had a universal negative charge. Thomson's discovery of the electron established it as a fundamental subatomic particle and proved that atoms are divisible. He proposed the "plum pudding" atomic model, where electrons were embedded in a sphere of positive charge like plums in a pudding. Thomson's work revolutionized the field of physics
PPT FOR BED.pptx
Ernest Rutherford was a pioneering physicist born in New Zealand in 1871. He received scholarships that allowed him to study physics, earning multiple degrees. He conducted research at Cambridge University under J.J. Thomson, discovering two types of radiation emitted by uranium, which he called alpha and beta rays. In 1908, Rutherford's gold foil experiment provided evidence for the atomic nucleus. He determined that alpha particles are helium ions and that atoms are mostly empty space with a tiny, massive, positively charged nucleus. Rutherford discovered the proton in 1917 and proved it is present in all atomic nuclei. He made seminal contributions to the development of atomic and nuclear physics through his experiments and publications.
ZS9dGETTN83Lp039346.docx
The document discusses the history of atomic models from J.J. Thomson's plum pudding model to the modern quantum mechanical model. It describes key experiments and discoveries such as Thomson's discovery of the electron, Rutherford's gold foil experiment which led to the planetary model of the atom, and Bohr's refinement of the planetary model. Finally, it introduces the quantum mechanical model where electrons exist as probability distributions in orbitals defined by solutions to the Schrodinger equation.
An introduction of quantum physics in the field of homoeopathy medical science
The document provides an introduction to quantum physics and its applications in homeopathy medical science. It discusses the early discoveries and scientists that contributed to the development of quantum theory, such as Planck, Einstein, Bohr, Heisenberg, Schrodinger, Dirac and others. It describes how quantum physics began with Planck's quantum hypothesis and was further developed into modern quantum mechanics and field theories. Quantum theory began to be applied to chemical structures and reactivity in the 1920s and paved the way for fields like quantum chemistry and quantum field theories like quantum electrodynamics.
History of radio
- The document traces the history of key discoveries and innovations in radio technology from the 18th century to the early 20th century, including Orsted's discovery of electromagnetism, Ampere's work building on this, Faraday's discovery of electromagnetic induction, and Maxwell's unification of electricity, magnetism and light into electromagnetic theory.
- It discusses early pioneers of radio including Hertz, Branly, Tesla, Bose and their experiments transmitting radio waves wirelessly. Marconi is noted for establishing the first commercial radio telegraph system in the late 1890s. However, the invention of radio involved contributions from many scientists over decades.
Persons who contributed in the field of electricity
The document discusses several important contributors to the field of electricity. It describes how Otto von Guericke built the first machine to produce static electricity in 1650. English dyer Stephen Gray was the first to systematically experiment with electric conduction in 1729. French chemist Charles Du Fay discovered the two types of electrical charges in 1733. American statesman Benjamin Franklin theorized that lightning is a form of electricity and established the convention of representing positive and negative charges that is still used today. Pieter van Musschenbroek invented the Leyden jar for storing static electricity in 1745. Alessandro Volta invented the first battery in 1800. Georg Ohm established Ohm's law relating voltage, current, and resistance in 18
Models of the atom
The document summarizes the development of atomic models from Thomson's "plum pudding" model to Rutherford's nuclear model. It describes experiments by Geiger and Marsden that showed most alpha particles passed through a thin gold foil but some were deflected at large angles, inconsistent with Thomson's model. This led Rutherford to propose a nuclear model with a small, dense positively charged nucleus surrounded by electrons.
Models of the atom
The document summarizes the development of atomic models from Thomson's "plum pudding" model to Rutherford's nuclear model. It describes experiments by Geiger and Marsden that showed most alpha particles passed through a thin gold foil but some were deflected at large angles, inconsistent with Thomson's model. This led Rutherford to propose that the atom's mass and positive charge are concentrated in a tiny, dense nucleus with electrons in empty space around it, like planets around the sun.
Similar to JJ Thomson (student preso) (20)
LECTURE 14 ATOMIC STRUCTURE ELECTRONS, PROTONS and NEUTRONS.docx
LECTURE 14 ATOMIC STRUCTURE ELECTRONS, PROTONS and NEUTRONS.docx
Experimenters had noticed that sparks travel thro.pdf
Experimenters had noticed that sparks travel thro.pdf
An introduction of quantum physics in the field of homoeopathy medical science
An introduction of quantum physics in the field of homoeopathy medical science
Persons who contributed in the field of electricity
Persons who contributed in the field of electricity
More from Roppon Picha
Intro to TINT RD Agriculture and Food research (Jun 2024)
Intro to TINT RD Agriculture and Food research
updated Jun 2024
prepared by Dr. Roppon Picha and TINT RD AgriFood researchers
Intro to TINT RD Material Science research (Mar 2024)
Intro to TINT RD Material Science research
updated 19 Mar 2024
prepared by Dr. Kasinee Hemvichian and TINT RD MatSci researchers
Microwave
Electricity is generated through electromechanical generators that convert non-electrical energy, like water, coal, natural gas, into electricity. Benjamin Franklin's kite experiment in 1752 demonstrated electricity in nature. Modern electricity generation relies mainly on coal, nuclear, natural gas, hydroelectric, and petroleum power plants. Microwaves are a form of electromagnetic waves used to heat food through water molecules, discovered in the 1940s by Percy Spencer during his radar research. Microwave ovens use magnetrons to generate microwaves through interactions between electric and magnetic fields that heat food through molecular friction.
Electricity in our daily lives
Electricity powers computers and allows them to process, store, and display digital information. Computers use electricity to power components like the CPU, graphic card, hard drives, and RAM. The CPU processes digital signals represented as strings of 1s and 0s. Hard drives store data using magnetic platters and read/write heads, while RAM temporarily stores running programs by changing the state of electric circuits. LCD monitors display colors by adjusting the voltage applied to liquid crystal pixels.
AC circuit
learn about alternating current circuit
student presentation. assignment on electricity in daily life.
muic mahidol
march 2009
The physic of_dance
physics of the dance. a scientific look into one of the most fun human activities.
student presentation
MUIC mahidol thailand
march 2009
The world’s high background natural radiation areas
nuclear and radiation science
muic 2015 student presentation
nuclear and radiochemistry undergraduate course
copyright belongs to the author
Role of nuclear power in carbon dioxide mitigation
nuclear and radiation science
muic 2015 student presentation
nuclear and radiochemistry undergraduate course
copyright belongs to the author
Optical properties of natural topaz
1) The document analyzes the optical properties of natural topaz crystals from Ukraine before and after exposure to fast neutron irradiation through various spectroscopy techniques.
2) IR, Raman, and UV-VIS spectroscopy showed that fast neutron irradiation reduced hydroxyl group intensities in topaz, increased certain absorption band intensities, and induced a blue color through the creation of electron and hole defects interacting with impurities.
3) The results suggest that the blue color in irradiated topaz is associated with oxygen defect centers interacting with aluminum ions and may be connected to impurities like chromium or transitions metals, while additional bands observed indicate lattice disorder from radiation damage.
Food irradiation
This document discusses food irradiation as a method of food preservation. It outlines the safety and benefits of food irradiation, which include preventing foodborne illness without using chemicals. However, barriers to greater adoption include public association with radioactivity, added costs, and consumer acceptance issues. Overcoming resistance will require focusing on health benefits rather than innovation, positive labeling, and international cooperation to remove unofficial barriers. Overall, commercial use of irradiated food has been slowly increasing in recent decades without incident.
Cancer radiotherapy
Radiotherapy can be used in combination with immunotherapy to help the body's immune system fight cancer. Radiation damages cancer cells, causing them to release proteins that allow white blood cells to target the cancer cells. Low doses of radiation activate receptors on cancer cells to release more proteins without suppressing the immune response. The combination approach utilizes irradiated cancer cells to increase the effectiveness of immunotherapy against primary and secondary cancers. However, very high radiation doses cause cancer cells to enter a wound healing state where they secrete chemicals that inhibit the immune attack.
summer 2010 (student preso)
สรุปการฝึกงาน 2553
student presentation
นิวเคลียร์ฟิสิกส์ สทน.
กทม.
Thailand
Soil-Plant Tc-99 (student preso)
The document summarizes a study on the soil-to-plant transfer factors of technetium-99 for various plants collected in the Chernobyl area. Samples from 27 plant species were collected and analyzed for Tc-99 concentration. The plants were separated into ferns, herbs, and trees. Analysis involved drying, milling, incineration to remove organic matter, and separation and measurement of Tc-99 and Ru-99 using column chromatography and ICP-MS. Transfer factors were calculated as the ratio of activity in plants to activity in soil. Low transfer factors observed implied Tc-99 had transformed to less available forms 8-9 years after the Chernobyl accident.
Effects of low-dose e-beam (student preso)
The document studied the effects of low-dose, low-penetration electron beam irradiation on Escherichia coli O157:H7 levels and meat quality in beef. It found that treating beef carcass surface cuts with 1 kGy electron beam irradiation reduced E. coli levels by 2.6-2.9 log, eliminating detectable levels. Irradiation had little effect on sensory and quality attributes of flank steaks but did impact ground beef patties more, with higher treatment proportions ranking lower. However, differences may not significantly impact consumer purchase decisions. Overall, low-dose electron beam irradiation showed potential for reducing pathogens on beef surfaces with minimal meat quality impacts.
Nuclear Power Summer 2010
nuclear power lecture
given to undergraduates for summer program at TINT
8 April 2010
Bangkok, Thailand
Nuclear Basics Summer 2010
basic nuclear science lecture
given to undergraduates for summer program at TINT
8 April 2010
Bangkok, Thailand
More from Roppon Picha (20)
Intro to TINT RD Agriculture and Food research (Jun 2024)
Intro to TINT RD Agriculture and Food research (Jun 2024)
Intro to TINT RD Material Science research (Mar 2024)
Intro to TINT RD Material Science research (Mar 2024)
The world’s high background natural radiation areas
The world’s high background natural radiation areas
Role of nuclear power in carbon dioxide mitigation
Role of nuclear power in carbon dioxide mitigation
Recently uploaded
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
(𝐓𝐋𝐄 𝟏𝟎𝟎) (𝐋𝐞𝐬𝐬𝐨𝐧 𝟏)-𝐏𝐫𝐞𝐥𝐢𝐦𝐬
𝐃𝐢𝐬𝐜𝐮𝐬𝐬 𝐭𝐡𝐞 𝐄𝐏𝐏 𝐂𝐮𝐫𝐫𝐢𝐜𝐮𝐥𝐮𝐦 𝐢𝐧 𝐭𝐡𝐞 𝐏𝐡𝐢𝐥𝐢𝐩𝐩𝐢𝐧𝐞𝐬:
- Understand the goals and objectives of the Edukasyong Pantahanan at Pangkabuhayan (EPP) curriculum, recognizing its importance in fostering practical life skills and values among students. Students will also be able to identify the key components and subjects covered, such as agriculture, home economics, industrial arts, and information and communication technology.
𝐄𝐱𝐩𝐥𝐚𝐢𝐧 𝐭𝐡𝐞 𝐍𝐚𝐭𝐮𝐫𝐞 𝐚𝐧𝐝 𝐒𝐜𝐨𝐩𝐞 𝐨𝐟 𝐚𝐧 𝐄𝐧𝐭𝐫𝐞𝐩𝐫𝐞𝐧𝐞𝐮𝐫:
-Define entrepreneurship, distinguishing it from general business activities by emphasizing its focus on innovation, risk-taking, and value creation. Students will describe the characteristics and traits of successful entrepreneurs, including their roles and responsibilities, and discuss the broader economic and social impacts of entrepreneurial activities on both local and global scales.
The History of Stoke Newington Street Names
Presented at the Stoke Newington Literary Festival on 9th June 2024
www.StokeNewingtonHistory.com
How to Make a Field Mandatory in Odoo 17
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
Practical manual for National Examination Council, Nigeria.
Contains guides on answering questions on the specimens provided
Stack Memory Organization of 8086 Microprocessor
The stack memory organization of 8086 microprocessor.
Walmart Business+ and Spark Good for Nonprofits.pdf
"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
Special TechSoup offer for a free 180 days membership, and up to $150 in discounts on eligible orders.
Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
BBR 2024 Summer Sessions Interview Training
Qualitative research interview training by Professor Katrina Pritchard and Dr Helen Williams
Beyond Degrees - Empowering the Workforce in the Context of Skills-First.pptx
Iván Bornacelly, Policy Analyst at the OECD Centre for Skills, OECD, presents at the webinar 'Tackling job market gaps with a skills-first approach' on 12 June 2024
Temple of Asclepius in Thrace. Excavation results
The temple and the sanctuary around were dedicated to Asklepios Zmidrenus. This name has been known since 1875 when an inscription dedicated to him was discovered in Rome. The inscription is dated in 227 AD and was left by soldiers originating from the city of Philippopolis (modern Plovdiv).
Level 3 NCEA - NZ: A Nation In the Making 1872 - 1900 SML.ppt
The History of NZ 1870-1900.
Making of a Nation.
From the NZ Wars to Liberals,
Richard Seddon, George Grey,
Social Laboratory, New Zealand,
Confiscations, Kotahitanga, Kingitanga, Parliament, Suffrage, Repudiation, Economic Change, Agriculture, Gold Mining, Timber, Flax, Sheep, Dairying,
How to deliver Powerpoint Presentations.pptx
"How to make and deliver dynamic presentations by making it more interactive to captivate your audience attention"
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering
Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
Recently uploaded (20)
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
B. Ed Syllabus for babasaheb ambedkar education university.pdf
B. Ed Syllabus for babasaheb ambedkar education university.pdf
Walmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdf
spot a liar (Haiqa 146).pptx Technical writhing and presentation skills
spot a liar (Haiqa 146).pptx Technical writhing and presentation skills
REASIGNACION 2024 UGEL CHUPACA 2024 UGEL CHUPACA.pdf
REASIGNACION 2024 UGEL CHUPACA 2024 UGEL CHUPACA.pdf
Beyond Degrees - Empowering the Workforce in the Context of Skills-First.pptx
Beyond Degrees - Empowering the Workforce in the Context of Skills-First.pptx
Level 3 NCEA - NZ: A Nation In the Making 1872 - 1900 SML.ppt
Level 3 NCEA - NZ: A Nation In the Making 1872 - 1900 SML.ppt
SWOT analysis in the project Keeping the Memory @live.pptx
SWOT analysis in the project Keeping the Memory @live.pptx
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering.pptx