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प्रश्न
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
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उत्तर
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Principal axis
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of carbon paper for some time, a hole is burnt in the carbon paper.
- What is the nature of spherical mirror?
- Why is a hole burnt in the carbon paper?
- At which point of the spherical mirror the carbon paper is placed?
- What name is given to the distance between spherical mirror and carbon paper?
- What is the advantage of using a carbon paper rather than a white paper?
Write the mirror formula. Give the meaning of each symbol which occurs in it.
The diverging lens in part (a) is replaced by a converging lens also of focal length 100 mm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverging lens in part (a).
How is a spherical mirror used to converge a beam of light at a point? Name the type of mirror used.
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
Name the kind of mirror used to obtain :
A real and enlarged image
Select the correct option:
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 cm. The focal length of the concave mirror is:
Define the term Centre of curvature.
