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Image Formation by a Plane Mirror

If a toy car ...

Question

If a toy car travels at a speed of 2 m/s towards a plane mirror, then at what speed will the image of the car would run towards the mirror.

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Solution

Characteristics of the image formed by the plane mirrors:
The image formed by a plane mirror is at the same distance from the mirror as the object is from the mirror.
Application of the concept:
The image would be travelling at the same speed in the mirror as the object as the image formed by a plane mirror is at the same distance from the mirror as the object is from the mirror.
So, the image of the car would run towards the mirror with speed of 2 m/s.

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