Optics Question 798

Question: A ray of light is incident at Air the glass-water interface at an angle i, it emerges finally parallel to the surface of water, then the value of would be

Options:

A) $ ( 4/3 )sini $

B) $ 1/sini $

C) 4/3

D) $ 1 $

Show Answer

Answer:

Correct Answer: B

Solution:

[b] $ \mu g\sin i={\mu _{air}}\sin 90{}^\circ {\mu _{g}}=\frac{1}{\sin i} $



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