Question

A man stands 10 m in front of a large plane mirror . How much will he walk before he is 5 m away from his image ?​

Answer 1

Answer:

He will walk 7.5 meters before he is 5 meters away from his image.

Answer 2

Answer:

Distance between the man and his image is 5 m when the man is 2.5 m away from the mirror.

Therefore, he has to walk 10 m – 2.5m = 7.5 m towards the mirror

this is your answer..