If a plane mirror is moved by a velocity 10 metre per second towards the object, then the velocity of the image and its direction is:

10 m/s, towards the mirror.

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10 m/s, away from the mirror.

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20 m/s, towards the mirror.

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20 m/s, away from the mirror.

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Solution

The correct option is C
20 m/s, towards the mirror.

The velocity of the image is twice the velocity of the mirror as image has to cover twice the distance which the mirror has covered at the same time.

So, the velocity of the image is 20 metre per second, towards the mirror.

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Similar questions

If a plane mirror is moved by a velocity 10 $\frac{m}{s e c}$ towards the object. Find out the velocity of the image and its direction?

10 m s^{- 1}

4^i + 5^j + 8^k

3^i + 4^j + 5^k

^k

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