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A horizontal beam of light in incident o...

A horizontal beam of light in incident on a plane mirror inclined at `45^(@)` to the hori- zontal. The percentage of light energy reflected from the mirror is `80%`. Find the direction in which the mirror will experience force due to the incident light.

A

11 m

B

14 m

C

17 m

D

22 m

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The correct Answer is:
B
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