Critical angle is that angle of incidence in the denser medium for whi – McqOptions

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1.	Critical angle is that angle of incidence in the denser medium for which the angle of refraction in rarer medium is [MP PMT 1996]
A.	\[0{}^\circ \]
B.	\[57{}^\circ \]
C.	\[90{}^\circ \]
D.	\[180{}^\circ \]
Answer» D. \[180{}^\circ \]

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