When a monochromatic ray of light is passed through an equilateral glass prism, it is found that the refracted ray in glass is parallel to the base of the prism. If 
and 
denote the angles of incidence and emergence respectively, then
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
: The refracted ray is parallel to the base.
It means minimum deviation, so, 
.
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