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प्रश्न
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उत्तर
(i) The distance from the pole in the direction of incident ray is taken positive.
(ii) The distance from the pole in the direction opposite to the incident ray is taken negative.
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Principal focus
What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror of convex mirror)? Calculate the focal length of a spherical mirror whose radius of curvature is 25 cm.
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
Why is a hole burnt in the carbon paper?
Name the spherical mirror which can produce a virtual and diminished image of an object.
State the two kinds of spherical mirror and distinguish them with the aid of proper diagrams.
A real and enlarged image can be obtained by using a
At what distance from a concave mirror of focal length 25 cm should an object be placed so that the size of image is equal to the size of the object.
Define the following term:
spherical mirror
Define the following term in relation to concave mirror.
Aperture
What is the difference between virtual images of an object formed by a concave mirror and a convex mirror?
