The rearview 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 rearview 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
27771"

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

Solution:

The rear-view mirror is a plane mirror here

The image in the mirror is as far back in the mirror as the object is in front of the mirror.

Speed of image in mirror =2v where v is original speed. 

=2(2) =4m/s

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Updated on: 10-Oct-2022

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