Image formation
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This document discusses key terms and concepts related to curved mirrors, including the center of curvature, vertex, radius of curvature, principal axis, aperture, principal focus, and focal length. It also provides four rules for how rays of light interact with curved mirrors: 1) a ray through the center of curvature is reflected back along itself, 2) a parallel ray is reflected through the principal focus, 3) a ray through the focus is reflected parallel to the principal axis, and 4) a ray hitting the vertex is reflected at an equal angle. The problem asks how images are formed in curved mirrors, and provides materials and learning stations to experiment with concave and convex mirrors.
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Image fomation by spherical mirror
This document discusses key concepts regarding image formation by spherical mirrors, including:
1) Definitions of terms like radius of curvature, focal length, and center of curvature.
2) The rules of reflection for curved mirrors, including that light rays parallel to the principal axis pass through the focal point.
3) How the position of the object determines the location and characteristics of the real or virtual image formed by concave and convex mirrors, such as whether images are upright or inverted and magnified or diminished.
Class 10 light refraction and reflection
spherical mirror, plane mirror, image formation, power, mirror equation, magnification, sign convention for ray diagram
Spherical-mirrors.pptx
Spherical mirrors are mirrors whose surfaces form part of a hollow sphere. There are two types: convex mirrors, where the coating is on the inside of the sphere, and concave mirrors, where the coating is on the outside. Concave mirrors form a real focal point in front of the mirror, where parallel rays converge to a focus. Convex mirrors form a virtual focal point behind the mirror, where parallel rays appear to diverge from a focus. Key definitions for both types of spherical mirrors include the center of curvature, radius of curvature, principal axis, and focal length.
6. 10. lightreflectionandrefraction
This document provides information about light reflection and refraction. It discusses the laws of reflection and refraction, and how light behaves when interacting with spherical mirrors and lenses. Key points covered include:
- The law of reflection states that the angle of incidence equals the angle of reflection.
- Reflection and refraction of light can be used to form real or virtual images with mirrors and lenses.
- Spherical mirrors and lenses have a focal point where light rays converge or appear to diverge, depending on whether the surface is convex or concave.
- Mirror and lens formulas relate the focal length to the object and image distances.
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.
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 Refraction
This document discusses light reflection and refraction, including the laws of reflection, spherical mirrors, lenses, and image formation. It covers key terms like focal length, radius of curvature, and principal axis. Rules are provided for drawing ray diagrams for reflection off mirrors and refraction through lenses. Mirror types like concave, convex, and plane are described, as are their uses. Image formation rules are given for concave mirrors based on the object position.
Light
1. The document discusses the properties and behavior of light as it interacts with mirrors and lenses. It defines key terms used to describe concave and convex mirrors such as focal length, radius of curvature, and center of curvature.
2. Rules are provided for how light rays behave when hitting different types of mirrors, such as rays parallel to the principal axis passing through the focal point after reflecting off a concave mirror.
3. Examples are given of how the position, size, and nature of images formed by mirrors depend on the position of the object, such as a concave mirror always producing a diminished, virtual image between the focal point and mirror.
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- 3. The center of curvature C is the center of the sphere where the mirror was taken. The vertex V is the center of the mirror. It is sometimes called the pole of the mirror. The radius of curvature R is the radius of the sphere. It is the distance between C and V. The principal axis P, or optical axis, is the straight line joining P and V. The aperture MN refers to the width of the mirror. The principal focus F is the point where the reflected rays seem to come from behind a diverging mirror. The focal length f is the distance from the vertex to the principal focus. Since the principal focus is midway between C and V, the focal length is one-half the radius of curvature; f= 1 2 R
- 5. 1. A ray passing through the center of curvature is reflected along itself.
- 6. 2. A ray parallel to the principal or optical axis is reflected through the principal focus in converging mirrors, or appears to come from the principal focus in diverging mirrors.
- 7. 3. A ray passing through the focus is reflected parallel to the principal or optical axis.
- 8. 4. A ray striking the vertex of the mirror is reflected at an equal angle on the opposite side of the principal axis .
- 9. PROBLEM: How are images formed in curve mirrors? MATERIALS: A. Learning Station 1 Meter stick Object lamp Ruler Concave mirror Meter stick Screen B. Learning Station 2 Object lamp Meter stick Ruler Convex mirror Meter stick Screen
- 10. Learning Station 1 Learning Station 2 Group 1 Group 2 Finished
- 12. A. Concave Mirror Where must you place an object if you want to form an image that is upright and bigger than the object? Where must you place an object if you want to form a smaller image? Where can you place an object so that no image forms? Between which two points does an image form is virtual? B. Convex Mirror What kind of image is always formed on convex mirrors?
- 13. Have advance readings on Refraction of Light and answer the following questions: 1. How is light refracted? 2. What is the mathematical equation for the index of refration? Refer to Physics: Science and Technology IV Textbook page