Optics Question 988

Question: The critical angle of a medium with respect to air is $ 45^{o} $ . The refractive index of medium is

[MH CET 2003]

Options:

A) 1.41

B) 1.2

C) 1.5

D) 2

Show Answer

Answer:

Correct Answer: A

Solution:

$ \sin 45^{o}=\frac{1}{\mu } $

$ \Rightarrow \mu =\sqrt{2}=1.41 $



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