Subject :NSO Class : Class 7
A point source of light S, placed at a distance 1 m in front of the centre of a plane mirror of width 2 m, hangs vertically on a wall. Rahul walks in front of the mirror along a line parallel to the mirror at a distance 2 m from it as shown in the figure. The greatest distance over which he can see the image of the light source in the mirror is
A5 m
B9 m
C12 m
D6 m