A ray of light incident at an angle 
on a refracting face of a prism emerges from the other face normally If the angle of the prism is 5 0 and the prism is made of a material of refractive index 1.5,the angle of incidence is
Text Solution
Verified by ExpertsThe correct answer is:
A
: According to the question, ray emerges from other surface of prism normally,
Angle of incidence at second face,
Now, 
Using snell’s law
or 
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