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A point source of light, S is placed at a distance L in front of the centre of plane mirror of width d which is hanging vertically on a wall. A man walks in front of the mirror along a line parallel to the mirror, at a distance 2L as shown below. The distance over which the man can see the image of the light source in the mirror is:

a.

3d

b.

 

c.

d

d.

2d



Question ID - 50648 | SaraNextGen Top Answer

A point source of light, S is placed at a distance L in front of the centre of plane mirror of width d which is hanging vertically on a wall. A man walks in front of the mirror along a line parallel to the mirror, at a distance 2L as shown below. The distance over which the man can see the image of the light source in the mirror is:

a.

3d

b.

 

c.

d

d.

2d

1 Answer
127 votes
Answer Key / Explanation : (a) -

Required answer = 3d.

127 votes


127