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
NCERT Solutions for Class 7 Science Chapter 15
Important NCERT Questions
7th Chapter 15 Light
NCERT Books for Session 2022-2023
CBSE Board and State Board
Questions No: 13
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(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.
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