Question

Two plane mirrors of length
L are separated by distance
L and a man M is standing
at distance L from the
connecting line of mirrors as
shown in figure. A man M, is
walking in a straight line at
distance 2L parallel to
mirrors at speed u, then man
M, at O will be able to see
image of M, for total time​

Answer 1

ANSWER

The light from man M1 hits the mirror and then reaches the man M2. The positions of the moving man needs to be found when the light from him hits the corners of the mirror to reach the standing man. From geometry,

After that you see the Fig.

Answer 2

Pls see the attachment .

Hope it helps you.