A man is running towards a plane mirror at a speed of $2 m s^{- 1}$ . How fast does he see himself running towards his image?

2m/s

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4m/s

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5m/s

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3m/s

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Solution

The correct option is B 4m/s
If object moves by $2 m s^{- 1}$ towards mirror then image formed by mirror will also move towards mirror by $2 m s^{- 1}$ . So image willbe moving towards object by $4 m s^{- 1}$ .

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Similar questions

2

2 m s^{- 1}

15 m / s

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