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, 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 the image has to cover twice the distance which the mirror has covered at the same time.

So, the velocity of the image is 20 $\frac{m}{s e c}$ , towards the mirror.

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If a plane mirror is moved by a velocity 10 msec towards the object. Find out the velocity of the image and its direction?

The correct option is C 20 m/s, towards the mirror. The velocity of the image is twice the velocity of the mirror as the image has to cover twice the distance which the mirror has covered at the same time. So, the velocity of the image is 20 msec, towards the mirror.

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?

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

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

So, the velocity of the image is 20 $\frac{m}{s e c}$ , towards the mirror.