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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
Image formed by a convex ______ is always virtual and smaller in size.
Give one use each of a concave and a convex mirror.
What type of image is formed:
in a plane mirror?
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
State the types of mirrors used for (i) headlights and (ii) rear view mirror, in cars and motorcycles. Give to justify your answer in each case.
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
A real and enlarged image can be obtained by using a
The minimum length of the mirror required to see the full image of the person is half ‘ of his height.
