A transparent cube of side d, made of a material of refractive index 
, is immersed in a liquid of refractive index 
( 
< 
). A ray is incident on the face AB at an angle 
(shown in the figure). Total internal reflection takes place at the point E on the face BC.
Then, 
must satisfy
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
At surface (1)
...(1)
At surface (2)
… (2)
From equation (1) and (2)
must satisfy,
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