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+8 votes
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in Physics by (51.7k points)

Size of image of an object formed by a mirror having a focal length of 20cm, is observed to be reduced to 1/3rd of its size. At what distance the object has been placed from the mirror? What is the nature of the image and the mirror?

1 Answer

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Best answer

An image smaller in size can be formed both by a concave mirror as well as a convex mirror.
Case 1: When mirror is concave, the image is real.

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