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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
Explain the following term related to spherical lenses:- principal axis
Complete the following sentence:
All the distances are measured from the .......... of a spherical mirror.
A diverging lens is used in:
(a) a magnifying glass
(b) a car to see objects on rear side
(c) spectacles for the correction of short sight
(d) a simple camera
Define the following term in relation to concave mirror.
Radius of curvature
Complete the following diagrams shown in the following figures by drawing the reflected rays.
What is the difference between virtual images of an object formed by a concave mirror and a convex mirror?
The minimum length of the mirror required to see the full image of the person is half ‘ of his height.
