A ray of light travelling in a transparent medium falls on a surface s – McqOptions

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1.	A ray of light travelling in a transparent medium falls on a surface separating the medium from air at an angle of incidence of 45°. The ray undergoes total internal reflection. If n is the refractive index of the medium with respect to air, select the possible value (s) of n from the following [IIT-JEE 1998]
A.	1.3
B.	1.4
C.	1.5
D.	1.6
Answer» E.

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