. 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