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Understanding Plane Mirrors
- 3. Directions: Fill in the blanks in the sentence below. Choose the word inside the box that correspond on the properties and behavior of light that could help you in this lesson. 1)_________ is a natural agent that stimulates sight and make things possible. It is a type of energy known as electromagnetic wave. Light Radiation UV Ray Laser Light
- 4. Directions: Fill in the blanks in the sentence below. Choose the word inside the box that correspond on the properties and behavior of light that could help you in this lesson. Light is given out by 2)___________ objects such as the sun, light bulbs and laser. luminous large opaque small luminous
- 5. Directions: Fill in the blanks in the sentence below. Choose the word inside the box that correspond on the properties and behavior of light that could help you in this lesson. Light travels as waves. But unlike sound waves, it does not need any material to carry its energy along. This means that light can travel through a 3) ____________ - a completely airless space. photon rays tube vacuum vacuum
- 6. Directions: Fill in the blanks in the sentence below. Choose the word inside the box that correspond on the properties and behavior of light that could help you in this lesson. Light behaves in a variety of ways when it comes in contact with water, air, and other matters.
- 7. Directions: Fill in the blanks in the sentence below. Choose the word inside the box that correspond on the properties and behavior of light that could help you in this lesson. If the surface of the material is smooth (a mirror for example), 4) _______ ________ occurs. specular reflection diffuse reflection specular reflection
- 8. Directions: Fill in the blanks in the sentence below. Choose the word inside the box that correspond on the properties and behavior of light that could help you in this lesson. But, if the surface is rough, having pits and protrusions, the light scatters causing a 5)________ ________. specular reflection diffuse reflection diffuse reflection
- 9. Vocabulary Check! light "liwanag” luminous “maliwanag” reflection “panganganinag” → (n.) something that makes vision possible → (adj.) something that emits light → (n.) the return of light from a surface
- 10. OBJECTI VE: Predict the qualitative characteristics (orientation, type, and magnification) of images formed by plane and curved mirrors and lenses. S10FE-IIg- 50
- 11. SUBTASK : Describe the qualitative characteristics (location, orientation, type, and magnification) of images formed by plane mirrors. S10FE-IIg- 50
- 13. Unleashing the Power of Minds + Skills…
- 15. Direction: Decipher the letters using numbers with different mathematical operations. Once you’ve got the correct answer, find the corresponding letter based on the number and arrange the letters to the desired word which is related to the lesson for today. Note: There are 26 letters in all in the alphabet.
- 17. 10 – 9 = 1 13/1 = 13 √4 = 2 7x3 = 21 2x6 = 12 1 – 0 = 1 6 + 8 = 14 3 x 1 = 3 40 ÷ 8 = 5 - A - M - B - U - L - A - N - C - E
- 19. When were MIRRORS first discovered?
- 20. Justus von Liebig German chemist, in 1835 Who officially invented the MIRROR? He found a way to coat glass with a thin layer of metallic silver by means of chemical reaction called “silvering”.
- 21. A mirror is an overlooked tool for musicians…
- 22. Plane mirror • Any object that has a smooth, Shiny, flat surface where almost all light striking the surface is reflected. • The reflected light forms an image. MIRRORS Image – a copy of an object formed by light.
- 23. REFLECTION • An interaction when light hits the surface of an object and bounces. REFRACTION • An interaction when light enters the boundary of two transparent objects and bends. TWO POSSIBLE INTERACTIONS BETWEEN LIGHT AND AN OBJECT:
- 24. Luminous Objects • Objects that produce their own light. – sun, other stars, light bulbs, burning objects Illuminated / Opaque Objects • Objects that reflect light. – moon, other planets, books, other things REFLECTION OF LIGHT
- 25. Light Ray • A single line of light coming from a point source with an arrowhead pointing to its direction. • Several rays from a beam of light are approximately parallel to one another. REFLECTION OF LIGHT
- 27. The amount of reflected light depends on TWO FACTORS: 1) Nature of the material 2) Texture of the surface of the medium (smooth or rough) REFLECTION OF LIGHT
- 28. LAW of REFLECTION states that: The Angle of Incidence is equal to the Angle of Reflection Ɵi Ɵr Ɵi = Ɵr A B normal line Incident ray Reflected ray
- 30. Regular or Specular Reflection • When the reflecting surface is smooth, the reflected rays of a beam of light are parallel to one another. • Polished surfaces like mirrors and bright metals produce regular reflection. TYPES of REFLECTION
- 31. Irregular or Diffuse Reflection • If the reflecting surface is rough, the normal with respect to the surface are NOT parallel and consequently the light rays are reflected in ALL directions. TYPES of REFLECTION
- 32. Unleashing the Power of Minds + Skills…
- 34. Direction: Describe the images formed by plane mirror and show an understanding of reversal effect in mirrors by writing laterally inverted letters and words. Note: You can also try to use your android phones for the image reversal.
- 37. PLANE MIRRORS Your image is not exactly like you. It is reversed from left to right or Laterally reversed or Left-right reversal…
- 38. The word AMBULANCE is laterally reversed, so that it can easily be read through a rearview mirror.
- 40. Virtual Image • An image that does not exist in the place where it appears to be. PLANE MIRRORS Your image seems to be of the same distance behind the mirror as you are in front. But there is no image behind the mirror…
- 41. A person’s image is produced by a plane mirror. It also shows how virtual image is formed.
- 43. Cellphones have mirrors and prisms inside…
- 44. PLANE MIRRORS
- 47. Directions: Read the questions carefully choose the letter of the correct answer based on the given choices. Write your answers on your Quiz notebools. 1. A plane mirror has a/an ________ reflecting surface. A. angled C. convex B. concave D. flat
- 48. Directions: Read the questions carefully choose the letter of the correct answer based on the given choices. Write your answers on your Quiz notebools. 2. The image you see in a plane mirror is called a _______________ image because it is not a real, physical object. A. magical C. reflected B. physical D. virtual
- 49. Directions: Read the questions carefully choose the letter of the correct answer based on the given choices. Write your answers on your Quiz notebools. 3. The image seen in a plane mirror is ______________. A. real and inverted B. real and upright C. virtual and inverted D. virtual and upright
- 50. Directions: Read the questions carefully choose the letter of the correct answer based on the given choices. Write your answers on your Quiz notebools. 4. The image you see on a plane mirror is placed in ______________ direction/s of real image. A. five C. the opposite B. multiple directions D. the same
- 51. 5. The image formed in a plane mirror is ______________ . A. at the same distance in front of the mirror as the object is in front of the mirror. B. at a shorter distance in front of the mirror than the distance that the object is in front of the mirror. C. at the same distance behind the mirror as the object is in front of the mirror. D. at a shorter distance behind the mirror than the distance the object is in front of the mirror.
- 53. Directions: Read the questions carefully choose the letter of the correct answer based on the given choices. Write your answers on your Quiz notebools. 1. A plane mirror has a/an ________ reflecting surface. A. angled C. convex B. concave D. flat
- 54. Directions: Read the questions carefully choose the letter of the correct answer based on the given choices. Write your answers on your Quiz notebools. 2. The image you see in a plane mirror is called a _______________ image because it is not a real, physical object. A. magical C. reflected B. physical D. virtual
- 55. Directions: Read the questions carefully choose the letter of the correct answer based on the given choices. Write your answers on your Quiz notebools. 3. The image seen in a plane mirror is ______________. A. real and inverted B. real and upright C. virtual and inverted D. virtual and upright
- 56. Directions: Read the questions carefully choose the letter of the correct answer based on the given choices. Write your answers on your Quiz notebools. 4. The image you see on a plane mirror is placed in ______________ direction/s of real image. A. five C. the opposite B. multiple directions D. the same
- 57. 5. The image formed in a plane mirror is ______________ . A. at the same distance in front of the mirror as the object is in front of the mirror. B. at a shorter distance in front of the mirror than the distance that the object is in front of the mirror. C. at the same distance behind the mirror as the object is in front of the mirror. D. at a shorter distance behind the mirror than the distance the object is in front of the mirror.
- 59. Have you seen your image on the two sides of clear spoon? How will you compare your image from the two sides of the spoon? Study in advanced about the two types of spherical/ curved mirrors.
- 60. END OF LESSON THANK YOU FOR LISTENING!
- 61. Prepared by: DALE MARIE P. RENOMERON Teacher I Observed by: LOLITO L. DEDAL Head Teacher III
Editor's Notes
- On our previous lessons, we learned about electromagnetic spectrum. One of the most common among these electromagnetic waves is the visible light. Light is form of energy that you can see! Every day, light waves reflect on objects and into your eyes, which allows you to see the objects. Light also helps you identify objects both near and far.
- On our previous lessons, we learned about electromagnetic spectrum. One of the most common among these electromagnetic waves is the visible light. Light is form of energy that you can see! Every day, light waves reflect on objects and into your eyes, which allows you to see the objects. Light also helps you identify objects both near and far. Now, before we proceed to our topic today, let’s have an activity first about the properties and behavior of light. This would be our springboard for today. Are you ready? Okay, let’s start the ball rolling!
- Now let us check first our vocabularies. Learners kindly get your dictionary (on hand/ on phone) to look up the definition of the following words: light | luminous | reflection
- Have you noticed the word “AMBULANCE” in an ambulance car? How is it written? Did you ever wonder why it is written that way? When you look in the mirror, have you noticed something interesting about you and your image in the mirror? If you look into a mirror and you raised your right arm, what hand do you think will your image raise? We will find the answers to these questions as we go through in today’s lesson.
- Have you noticed the word “AMBULANCE” in an ambulance car? How is it written? Did you ever wonder why it is written that way? When you look in the mirror, have you noticed something interesting about you and your image in the mirror? If you look into a mirror and you raised your right arm, what hand do you think will your image raise? We will find the answers to these questions as we go through in today’s lesson.
- You will decipher the letters using numbers with different mathematical operations and will arrange the letters to the desired word which is related to the lesson for today
- You will decipher the letters using numbers with different mathematical operations and will arrange the letters to the desired word which is related to the lesson for today
- Have you noticed the word “AMBULANCE” in an ambulance car? How is it written? Did you ever wonder why it is written that way? That we will find out later as we go along in our lesson.
- When were mirrors invented? Reflective surfaces made of polished obsidian are the oldest “mirrors” in the archaeological record dating back as far as 4000 BCE. The first evidence of mirrors as grooming tools dates to 5th century BCE, in illustrations of elegant Greeks at hand mirrors. A discovery by the great German chemist, Justus von Liebig in 1835, made modern mirrors widely available. He found a way to coat glass with a thin layer of metallic silver by means of chemical reaction later called “silvering”. Don’t you know that a mirror is an overlooked tool for musicians during their music practice? It helps musicians to correct bad habits in their techniques, posture, and form during the classical age up to present.
- When were mirrors invented? Reflective surfaces made of polished obsidian are the oldest “mirrors” in the archaeological record dating back as far as 4000 BCE. The first evidence of mirrors as grooming tools dates to 5th century BCE, in illustrations of elegant Greeks at hand mirrors. A discovery by the great German chemist, Justus von Liebig in 1835, made modern mirrors widely available. He found a way to coat glass with a thin layer of metallic silver by means of chemical reaction later called “silvering”. Don’t you know that a mirror is an overlooked tool for musicians during their music practice? It helps musicians to correct bad habits in their techniques, posture, and form during the classical age up to present.
- When were mirrors invented? Reflective surfaces made of polished obsidian are the oldest “mirrors” in the archaeological record dating back as far as 4000 BCE. The first evidence of mirrors as grooming tools dates to 5th century BCE, in illustrations of elegant Greeks at hand mirrors. A discovery by the great German chemist, Justus von Liebig in 1835, made modern mirrors widely available. He found a way to coat glass with a thin layer of metallic silver by means of chemical reaction later called “silvering”. Don’t you know that a mirror is an overlooked tool for musicians during their music practice? It helps musicians to correct bad habits in their techniques, posture, and form during the classical age up to present.
- Describe the images formed by plane mirror and show an understanding of reversal effect in mirrors by writing laterally inverted letters and words. You can also try to use your android phones for the image reversal. Let each group answer the guide questions afterwards.
- If you view an image of yourself in a plane mirror (perhaps a bathroom mirror), you will quickly notice that there is an apparent left-right reversal of the image. That is, if you raise your left hand, you will notice that the image raises what would seem to be its right hand. If you raise your right hand, the image raises what would seem to be its left hand. This is often termed left-right reversal.
- The letters in front of the ambulance are written laterally. This is because when seen in rear view mirror by another vehicle, the image of the word would get inverted, letting the driver read the word properly so that he can provide way to the ambulance.
- The letters in front of the ambulance are written laterally. This is because when seen in rear view mirror by another vehicle, the image of the word would get inverted, letting the driver read the word properly so that he can provide way to the ambulance.
- A plane mirror makes an image of objects in front of the mirror; the image appears to be behind the plane in which the mirror lies .
- During emergencies, we are aware that ambulance is the best option to transport patients, why do the letters in front of the ambulance are written laterally? When you are driving and you’ve noticed that there is a blowing siren ambulance behind you, as a driver, what are you going to do?
- In this digital world and as part of digital generation, what do you think makes us able to generate images upon using our cellphones, especially when taking “selfies”? Cellphones have mirrors and prisms inside placed at the correct angle to reflect light from the scene into the lens and sensor.
- When light hits an object, every part of that object reflects light in all direction. Some of the reflected light reaches our eyes. Thus, we can see an object. The characteristics of image formed by a plane mirror is always erect (same orientation as the object), laterally reversed, same size as the object, virtual (found to be apparently behind the mirror), and same distance from the mirror as the object.
- Describe the images formed by plane mirror and show an understanding of reversal effect in mirrors by writing laterally inverted letters and words. You can also try to use your android phones for the image reversal. Let each group answer the guide questions afterwards.
- Describe the images formed by plane mirror and show an understanding of reversal effect in mirrors by writing laterally inverted letters and words. You can also try to use your android phones for the image reversal. Let each group answer the guide questions afterwards.
- Describe the images formed by plane mirror and show an understanding of reversal effect in mirrors by writing laterally inverted letters and words. You can also try to use your android phones for the image reversal. Let each group answer the guide questions afterwards.