Published by:
CGP EDU Academic Team
Published on: August 21, 2026
A light ray enters through a right angled prism at point 
with the angle of incidence 
as shown in figure. It travels through the prism parallel to its base 
and emerges along the face 
. The refractive index of the prism is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Let the refractive index of the prism be 
.
Applying Snell's law at point 
,
…………… (i)
Applying Snell's law at point 
,
(Using equation (i))
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