Question

Punit is observing his image in a plane mirror and his image is 2m if he moves 1m toward the mirror then the distance bt punit and image

Answer 1

since in a mirror,
image dis. is equal to obj. distance
when punit is standing 2 m from mirror then image is formed 2 m behind mirror
when punit comes 1 m towards mirror then image formed 1 m behind
since, 2 m is the distance btw punit and image