The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s.

Question

Choose the correct option
The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be
(i) 1 m/s (ii) 2 m/s
(iii) 4 m/s (iv) 8 m/s

Answer 1

(ii) 2 m/s
Explanation:
As the car moves 2 m backward, the mirror also moves 2 m backward, so image comes 2 m forward.