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A ray of light traveling in a tranparent...

A ray of light traveling in a tranparent medium falls on a surface separating the medidum from air at an angle of incidence of `45^(@)` . The ray undergoes total internal refrlection. If n is the refractive index of the medium with respect to air, select the possible value (s) of n from the following:

A

1.3

B

1.4

C

1.5

D

1.8

Text Solution

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The correct Answer is:
C
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