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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
A simple microscope is used by watch repairers. Give reason.
Explain the following term related to spherical lenses:- optical centre
Explain the following term related to spherical lenses:- principal focus
A coin placed at the bottom of a vessel appears to be raised when water is poured in the vessel.
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
Name the kind of mirror used to obtain:
A virtual and enlarged image
The image formed by a convex mirror is
Define the following term in relation to concave mirror.
Pole
For a spherical mirror, ______ is true.
