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 $