A ray of light entering from air into a denser medium of refractive index 
, as shown in figure. The light ray suffers total internal reflection at the adjacent surface as shown. The maximum value of angle 
should be equal to :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
At maximum angle 
ray at point B goes in gazing emergence, at all less values of 
, TIR occurs. At point B
At point 
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