MHT CET Physics question

Physics Motion in a Plane MHT CET

When a man and plane mirror both move towards each other at the rate of 10 m/s. At what rate does the image approach the man?

(A)10 m/s
(B)20 m/s
(C)30 m/s
(D)40 m/sCorrect

Answer: (D)

Solution

Take the mirror frame: the man approaches the mirror at m/s relative to it, and the image recedes from the mirror in

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Question ID VK-076929