Ray diagram in convex mirror
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Rays of light reflect off convex mirrors according to three rules: 1) Rays parallel to the principal axis are reflected and appear to come from the principal focus. 2) Rays moving towards the principal focus are reflected parallel to the principal axis. 3) Rays moving towards the center of curvature are reflected back along their own path.
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This document provides an overview of heat transfer and related topics including:
- The three main modes of heat transfer are conduction, convection, and radiation. Conduction involves the transfer of energy between adjacent particles. Convection involves the movement of heated fluids. Radiation involves the emission and absorption of electromagnetic waves.
- Specific heat capacity refers to the amount of energy required to change the temperature of a material by a certain amount. It varies between materials.
- Thermal conductivity and contact resistance impact heat transfer rates during conduction.
- HVAC systems involve heating, cooling, humidifying, dehumidifying, cleaning, ventilating, and circulating air to control indoor environments.
- Air conditioning expanded the
10 properties of light
The document discusses several key properties of light, including:
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- Refraction - Light bends as it passes from one medium to another, changing speed. The degree of bending depends on the medium's index of refraction.
- Interference - When two light waves meet, they can constructively or destructively interfere based on how their crests and troughs align.
It explores light's dual nature as both a wave and particle, demonstrated through experiments like Young's double-slit experiment showing light's wave-like interference patterns, and the photoelectric effect showing its particulate properties.
sample ppt
This document discusses three types of mirrors: convex, concave, and plane. Convex mirrors curve outward and make objects appear closer. Concave mirrors curve inward and make objects appear larger. Plane mirrors show the actual image. The document then focuses on concave mirrors, explaining that their focal length is the distance from the pole to principal focus. It provides six examples of the different types of images formed by concave mirrors depending on the object's position relative to the center of curvature and focal point. These include real/virtual and inverted/erect images. Two examples are also given for images formed by convex mirrors.
Different uses of mirror
This presentation or document is used to know the different uses of mirror means it is explaining that where different types of mirrors are used.
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The document discusses the properties and behavior of light, including reflection, refraction, and how different materials and optical components like lenses interact with light. It explains how lenses can refract light to form real or virtual images, and the factors that determine the type of image formed such as whether the object is between the focal point and lens or beyond it. Different lens shapes and cylindrical lenses are also described.
LIGHT-REFLECTION AND REFRACTION.ppt.pptx
1. Light can be reflected, refracted, and bent when passing from one medium to another. Reflection and refraction follow specific laws.
2. Spherical mirrors and lenses can form real or virtual images depending on the position of the object relative to the focal point. Mirror and lens formulas relate the focal length to the object and image distances.
3. Sign conventions define distances and angles as positive or negative for spherical mirrors and lenses, allowing mirror and lens equations to be used to calculate image locations from object positions.
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This document discusses light, reflection, and mirrors. It begins by providing facts about light, including that it is a form of electromagnetic energy and part of the electromagnetic spectrum. It then discusses how light can be reflected, absorbed, or refracted. Rays are introduced as a way to represent the direction light travels. Reflection of light off mirrors is explained, including that rays are always perpendicular to wave fronts. Real images from mirrors are described as appearing on the same side of the mirror as the object. Concave and convex mirrors are contrasted, and ray diagrams are used to determine image characteristics such as size, position, and orientation for different object positions with concave mirrors. The mirror equation and magnification equation are also introduced for
Light grade 10.pptx
1. Light is a form of energy that allows us to see objects when light reflects off their surfaces and into our eyes. Light travels in straight lines. Common light phenomena include shadows, mirror and lens images, refraction, twinkling stars, and rainbows.
2. When light falls on a polished surface like a mirror, most of it is sent back into the same medium in the process called reflection. The laws of reflection are that the angle of incidence equals the angle of reflection, and the incident, reflected, and normal rays all lie in the same plane.
3. Spherical mirrors can be concave or convex. Concave mirrors converge parallel rays to a focal point, while convex mirrors diver
representation of image formed
in this presentation you'll be knowing how to represent image formed by spherical mirrors using ray diagrams
Reflection and refraction
1) Light behaves both as a wave and particle. It undergoes various phenomena like reflection, refraction, diffraction etc. which were explained by wave theory.
2) Reflection of light follows the laws - the angle of incidence equals the angle of reflection, and the incident ray, normal and reflected ray lie in the same plane. Reflection can be regular from smooth surfaces or diffuse from rough surfaces.
3) Spherical mirrors are either concave or convex. Concave mirrors converge parallel rays to a focal point, while convex mirrors diverge them from a focal point behind the mirror. Images formed depend on the position of the object.
LIGHT-REFLECTION AND REFRACTION.ppt.pptx
The document provides information about light reflection and refraction. It discusses the key phenomena of reflection such as the laws of reflection and image formation using plane and spherical mirrors. It also covers the basics of refraction including Snell's law and the use of lenses to form real and virtual images. The key concepts are explained through diagrams and formulae such as the mirror and lens equations that relate object and image distances to focal length.
10lightreflectionandrefraction.pptx.ppsx
This document provides information about light reflection and refraction. It discusses how light reflects off mirrors and refracts through lenses. The key points covered include:
- The laws of reflection, including that the angle of incidence equals the angle of reflection.
- Images formed by concave and convex mirrors and convex lenses, including where images form for objects at different distances.
- Terms used in the study of spherical mirrors and lenses like focal length, principal focus, and radius of curvature.
- The mirror formula and lens formula, which relate the focal length to the object and image distances.
Light reflection and refraction.ppt
The document provides information about light reflection and refraction:
1. It defines light and describes common light phenomena like shadow formation and rainbows.
2. It discusses the laws of reflection, including that the angle of incidence equals the angle of reflection. Reflection off spherical mirrors is also covered.
3. Refraction through lenses and the rectangular glass slab is summarized, including Snell's law of refraction relating the sines of the angles of incidence and refraction.
Light reflection and refaraction
This document discusses the properties of reflection and refraction of light by spherical mirrors and lenses. It defines key terms like focal length, pole, principal axis, image formation, magnification, and sign conventions. The laws of reflection and refraction are described, including the mirror formula, lens formula, and definitions of refractive index. Image formation diagrams are presented for concave and convex mirrors and lenses. Common uses of these optical components are also noted.
REFLECTION OF LIGHT WAVE (INTRO).pptx
Reflection of light waves
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This document provides an agenda and information about light reflection and refraction. It begins by defining light and its nature. It then discusses the reflection of light off mirrors, including the laws of reflection and the formation of mirror images. It describes spherical mirrors and their uses. The document also covers the refraction of light, including the laws of refraction and effects like mirages. It defines lenses and discusses the refraction of light through spherical lenses and the images they form. In summary, the document outlines key concepts regarding the reflection and refraction of light off mirrors and through lenses.
1 Reflaction Of Light
The document discusses the reflection of light, including the laws of reflection which state that the angle of incidence equals the angle of reflection and that the incident ray, reflected ray, and normal all lie in the same plane. It also discusses image formation using plane mirrors, including that the image is laterally inverted and as far behind the mirror as the object is in front of it. Convex and concave mirrors are also discussed, including their focal points and how light rays behave depending on the object's position relative to the focal point.
Light
Presentation on Various ideologies and concepts of Light.
Assessment for class X students for 2nd term.
With highly elaborated information on Light and it's properties.
100% Most Accurate Presentation on Light chapter Class X CBSE..
With Transitions and animations..
Light Reflection and Refraction
1. Light reflects off objects and enters our eyes, allowing us to see. Reflection and refraction cause light to bend when moving between media.
2. Plane mirrors form inverted, erect images the same size as the object. Spherical mirrors can form real or virtual images, depending on the position of the object. Images are magnified or diminished.
3. Refraction bends light as it passes from one medium to another, following Snell's law. Lenses use refraction to form real or virtual images, as described by the lens formula. Image size and position depend on the object distance and focal length.
Class 10 Light Reflection and Refraction 1.ppsx
Light Reflection and Refraction
This presentation has complete information about the NCERT Science Chapter 'Light - Reflection and Refraction'.
Don't forget to like if you likr it!!
REFLECTION AND REFRACTION PPT.ppt
1. Light reflects off objects and enters our eyes, allowing us to see. Reflection and refraction cause various light phenomena like shadows, mirror and lens images, and rainbows.
2. Light reflects off polished surfaces like mirrors according to the laws of reflection. Spherical mirrors can be concave or convex and form real or virtual images depending on the object position.
3. Refraction occurs when light travels between media of different densities, bending according to Snell's law. Spherical lenses similarly form real or virtual images depending on object position relative to focal points.
vdocument.in_reflection-mirrors-swbat-explain-how-light-is-reflected-from-rou...
1) Light reflects off surfaces according to the laws of reflection. The angle of incidence equals the angle of reflection and both rays lie in the same plane as the normal.
2) Spherical mirrors come in two types - concave and convex. Concave mirrors converge parallel rays to a focal point while convex mirrors diverge them, making the image appear behind the mirror.
3) Reflection by concave mirrors follows specific rules - parallel rays passing through the focal point reflect parallel to the axis, rays through the center reflect back along themselves, and oblique rays reflect at equal angles. Concave mirrors can focus light beams.
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206108327-light-reflection-and-refraction-ppt_240420_224242.pdf
206108327-light-reflection-and-refraction-ppt_240420_224242.pdf
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Ray diagram in convex mirror
- 1. Ray diagram construction in convex mirrors Presented by Obina Johnson Okeny obinaokeny@yahoo.com
- 2. The path of three rays that are known is used construct the diagram. These are: Rays traveling parallel to the principal axis are reflected and appear to be coming from the principal focus. Rays going towards the principal focus are reflected parallel to the principal axis. Rays going toward the centre of curvature are reflected back along their own path
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- 4. (b) Rays moving towards the principal focus (F) will move parallel to the principal axis after reflection. C F P
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