Unpolarised light is incident on a dielectric of refractive index\[\sq – McqOptions

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1.	Unpolarised light is incident on a dielectric of refractive index\[\sqrt{3}\]. What is the angle of incidence if the reflected beam is completely polarised?
A.	\[30{}^\circ \]
B.	\[45{}^\circ \]
C.	\[~60{}^\circ \]
D.	\[75{}^\circ \]
Answer» D. \[75{}^\circ \]

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