Optics Question 514

Question: Two vertical plane mirrors are inclined at an angle of 60∘ with each other. A ray of light travelling horizontally is reflected first from one mirror and then from the other. The resultant deviation is

Options:

A) 60∘

B) 120∘

C) 180∘

D) 240∘

Show Answer

Answer:

Correct Answer: D

Solution:

δ=(360−2θ)=(360−2×60)=240o

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