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Sahay Sir > Question Answers > MTG NEET Physics > Part 2 > Chapter 9 - Ray Optics > A point source of light B is placed at a distance L in front of the center 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 in fig. The greatest distance over which he can see the image of the light source in the mirror is:

A point source of light B is placed at a distance L in front of the center 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 in fig. The greatest distance over which he can see the image of the light source in the mirror is:

An object moving at a speed of 5m/s towards a concave mirror of focal length f=1 m is at a distance of 9m. The average speed of the image is