Sainik School Entrance Exam 2021 Solved Paper

Question : 90 of 150

Marks: +1, -0

A man stands

10 {\m}

in front of a large plane mirror. How far must he walk before he is

5 {\m}

away from his image?

Solution:

(b) Image is formed at the same distance from the plane mirror at which object is placed . therefore man should move

10-2.5=7.5 {\m}

before the mirror to get the distance of

5 {\m}

from its image.

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