Optics Question 525

Question: A ray of light incidents on a plane mirror at an angle of $ 30{}^\circ . $ The deviation produced in the ray is

Options:

A) $ 30{}^\circ $

B) $ 60{}^\circ $

C) $ 90{}^\circ $

D) $ 120{}^\circ $

Show Answer

Answer:

Correct Answer: D

Solution:

$ \delta =180{}^\circ -60{}^\circ =120{}^\circ $



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