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A point object is moving along principal...

A point object is moving along principal axis of concave mirror with uniform velocity towards pole. Initially the object is at infinite distance from pole right side of the mirror as shown. Before the object collides with mirror, the number of times a which the distance between object and its image is `40 cm` are.
.

A

one time

B

two times

C

three times

D

data insufficient

Text Solution

Verified by Experts

The correct Answer is:
C
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