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Car B overtakes another car A at a relative speed of 40

Q. Car B overtakes another car A at a relative speed of 40 m/s. How fast will the image of car B appear to move in the mirror of focal length 10 cm fitted in car A, when the car B is 1.9 m away from the car A?

(1) 4 m/s

(2) 0.2 m/s

(3) 40 m/s

(4) 0.1 m/s                                                       (JEE-2021)

 

 

 

Aditya Bhatt Answered question 30 January 2024
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