Questions
One of the refracting surfaces of a prism of angle 30° is silvered. A ray of light incident at angle of 60° retraces its path. The refractive index of the material of prism is
detailed solution
Correct option is B
r2=0°r1+r2=Ar1=A=30∘ and i1=60∘μ=sini1sinr1=sin60∘sin30∘=3Talk to our academic expert!
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Angle of minimum deviation is equal to the angle of prism A of an equilateral glass prism. The angle of incidence at which minimum deviation will be obtained is
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