Optics Question 518
Question: A plane mirror is approaching you at a speed of
[CPMT 1974]
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: C
Solution:
Suppose at any instant, plane mirror lies at a distance x from object.
Image will be formed behind the mirror at the same distance x.
When the mirror shifts towards the object by distance
So speed of image = 2 x speed of mirror
