A) 10 cm/sec
B) 5 cm/sec
C) 20 cm/sec
D) 15 cm/sec
Correct Answer: C
Solution :For a plane mirror, the object velocity is equal and opposite to the image velocity. Hence, if the mirror is moving with velocity v, then velocity between two is 2v, which is in this case \[2\times 10=20cm/sec.\]
You need to login to perform this action.
You will be redirected in 3 sec