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Question
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
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Solution

In the case of a convex mirror, the reflected rays diverge and do not meet at a point after reflection. They appear to come from a point’ F on the principal axis.
The type of mirror used is a CONVEX mirror.
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RELATED QUESTIONS
A student focused the Sun rays using an optical device 'X' on a screen S as shown.

From this it may be concluded that the device 'X' is a (select the correct option)
(A) Convex lens of focal length 10 cm.
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(C) Convex lens of focal length 20 cm.
(D) Concave mirror of focal length 20 cm.
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(b) State three characteristics of the image seen in part (a).
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The distance from the center of curvature of the mirror to the pole is called the focal length of the mirror.
What is “aperture”?
