A) \[\frac{1}{\sin i}<\mu \]
B) \[\frac{1}{\sin i}>\mu \]
C) \[\sin i<\mu \]
D) \[\sin i>\mu \]
Correct Answer: A
Solution :
For total internal reflection i > C \[\Rightarrow \sin i>\sin C\Rightarrow \sin i>\frac{1}{\mu }\Rightarrow \frac{1}{\sin i}<\mu .\]
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