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Moving Plane Mirror, Stationary Object

A plane mirro...

Question

A plane mirror and a person are moving towards each other with same velocity v. Then the velocity of the image is

A

v

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B

2v

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C

3v

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D

4v

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Solution

The correct option is C 3v
If mirror would be at rest, then velocity of image should be 2v. but due to the motion of mirror, velocity of image will be 2v + v = 3v.

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