. 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

A man walks in front of the mirror along a line parallel to the mirror at a distance 2L from it as shown. The greatest distance over which he can see the image of the light source in the mirror is  


A. d/2

B. d

C. 2d

D. 3d

Best Answer

Ans: D

Sol: According to the following ray diagram  HI=AB=d 





Talk to Our counsellor