Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Consider a tank made of glass (refractive index 1.5) with a thick bottom. It is filled with a liquid of refractive index 
. A student finds that, irrespective of what the incident angle I (see figure) is for a beam of light entering the liquid, the light reflected from the liquid glass interface is never completely polarized. For this to happen, the minimum value of 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
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