Light is incident normally on the face AB of a prism as shown in the figure. A layer of liquid of refractive index 
is applied on the face AC of the prism. If the prism is made of glass of refractive index 
, then the limit of 
for which total internal reflection takes place on face AC is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
For critical angle at the glass-liquid interface we have
For total internal reflection 60° > C
sin60° > sinC
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