Question
Question: A plane mirror and a person are moving towards each other with same velocity v. Then the velocity of...
A plane mirror and a person are moving towards each other with same velocity v. Then the velocity of the image is
A
v
B
2v
C
3v
D
4v
Answer
3v
Explanation
Solution
If mirror would be at rest, then velocity of image should be 2v. but due to the motion of mirror, velocity of image will be 2v + v = 3v.