Question

A point source of light B is placed at a distance L in front of the centre of a mirror of width d hung vertically on a wall.Aman walks in front of the mirror at a distance 2L from it.The greatest distance over which he can see the image of the light source in the mirror is????

plz plz explain the answer and give the answer fast plz

Answer 1

Answer:

Explanation:A Point source of light B is placed at a distance L in front of centre of a mirror of width d hung vertically on a wall. A man walks in front of the mirror along a line parallel to mirror at a distance 2L from it as shown. Find greatest distance over which he can see the image of light source in mirror.