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A man uses a concave mirror for shaving. He keeps his face at a distance of 25 cm

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asked Mar 30, 2018 in Physics by Nisa (2,540 points) ● 1 ● 3

A man uses a concave mirror for shaving. He keeps his face at a distance of 25 cm from the mirror and gets an image which is 1.4 times enlarged. Find the focal length of the mirror.

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answered Mar 30, 2018 by rubby (7,550 points) ● 1 ● 3 ● 5
selected Apr 1, 2018 by Vikash Kumar
 
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So, focal length of the concave mirror is 87.5 cm.

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