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A narrow beam of light after reflection ...

A narrow beam of light after reflection by a plane mirror falls on a scale at a distance 100 cm from the mirror. When the mirror is rotated a little, the light spot moves through 2 cm. The angle through which the mirror is rotated is

A

0.02 rad

B

0.01 rad

C

200 rad

D

0.01/188 `pi ` rad

Text Solution

Verified by Experts

The correct Answer is:
B
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