Published by:
CGP EDU Academic Team
Published on: September 12, 2026
At the interface between two materials having refractive indices 
and 
, the critical
angle for reflection of an em wave is 
. The 
material is replaced by another material having refractive index 
such that the critical angle at the interface between 
and 
materials is 
. If 
and 
, then 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
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