MHT CET Physics question
A man is 180 cm tall and his eyes are 10 cm below the top of his head. In order to see this entire height right from top to head, he uses a plane mirror kept at a distance of 1 m from him. The minimum length of the plane mirror is
Answer: (B)
Solution
To see the full image of himself a person needs a mirror of at least half his height, independent of the distance, so the length is cm (top
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