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ray_optics total_internal_reflection Question 26
Question: If critical angle for a material to air is 30o, the refractive index of the material will be [MP PET 2001]
Options:
A) 1.0
B) 1.5
C) 2.0
D) 2.5
Answer:
Correct Answer: C
Solution:
$ \mu =\frac{1}{\sin C}=\frac{1}{\sin 30}=2 $
BETA
