A) \[40{}^\circ \]
B) \[80{}^\circ \]
C) \[50{}^\circ \]
D) \[100{}^\circ \]
Correct Answer: A
Solution :
By drawing a normal, we find that the angle of incidence \[=\frac{80{}^\circ }{2}=40{}^\circ \]You need to login to perform this action.
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