The critical angle for diamond (refractive index = 2) is [MP PET 2003] – McqOptions

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1.	The critical angle for diamond (refractive index = 2) is [MP PET 2003]
A.	\[20{}^\circ \]
B.	\[60{}^\circ \]
C.	\[45{}^\circ \]
D.	\[30{}^\circ \]
Answer» E.

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