The angle of incidence for a ray of light at a refracting surface of a prism is 
. The angle of prism is 
. If the ray suffers minimum deviation through the prism. the angle of ininimum deviation and refractive index of the material of the prism respectively, are [NEET 2016]
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
The given situation is shown below.
angle of refraction
angle of emergence, 
Therefore, minimum deviation suffered by the ray is
Also we know that
where, 
refractive index of the material of the prism.
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