A point object is moving uniformly towards the pole of a concave mirror of focal length 
along its axis as shown below. The speed of the object is 
. At 
, the distance of the object from the mirror is 
. The average velocity of the image formed by the mirror between time 
and 
is
A
Zero
B
C
Infinity
D
Text Solution
Verified by ExpertsThe correct answer is:
C
: At 
(Placed at 
), 
After 
(object is at 
), 
infinity
So, velocity of image 
infinity
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