A ray of light is incident on a glass sphere of refractive index 3/2. – McqOptions

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1.	A ray of light is incident on a glass sphere of refractive index 3/2. What should be the angle of incidence so that the ray which enters the sphere does not come out of the sphere?
A.	\[te{{n}^{-1}}(2/3)\]
B.	\[{{60}^{0}}\]
C.	\[{{90}^{0}}\]
D.	\[{{30}^{0}}\]
Answer» D. \[{{30}^{0}}\]

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