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Question
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.

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Solution

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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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