A ray is incident at an angle of incidence i on one surface of a small angle prism (with angle of prism A) and emerges normally from the opposite surface. If the refractive index of the material of the prism is µ, then the angle of incidence is nearly equal to [NEET 2020]
A
B
µA
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
According to the question, the ray diagram can be shown as
From figure in 
,
…… (i)
Also, 
From Snell's law,
For small angle, 
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