A) \[30{}^\circ \]
B) \[45{}^\circ \]
C) \[60{}^\circ \]
D) \[90{}^\circ \]
Correct Answer: D
Solution :
From Snells law, refractive index\[(\mu )\]is given by \[\mu =\frac{\sin i}{\sin r}\] ???. (i)You need to login to perform this action.
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