Questions
What is the angle of incidence for an equilateral prism of refractive index so that the ray is parallel to the base inside the prism?
detailed solution
Correct option is C
3=sin60∘+δm2sin60∘232=sin60∘+δm2sin60∘=sin60∘+δm2or 60∘+δm2=60∘or δm=60∘⇒i=A+δm2=60∘+60∘2=60∘μ=sin A+D2sinA2 IN minimum deviation position the light ray travels parallel to the base of the prism.μ=sin isin rTalk 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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