Questions
The angle of minimum deviation by prism is (180°–2A). Its critical angle will be
detailed solution
Correct option is A
μ=sinA+180-2A2sin A/2 ; μ=cotA2 μ=1sin c ; 1sin c=cot A2⇒c=sin-1tanA2Talk to our academic expert!
Similar Questions
ABC is an isosceles right angled triangle with the angle BAC 90o. A ray of light parallel to the base BC strikes the face AB. The refracted ray in the prism strikes the base BC. If the refractive index of the material of the prism is , find the total angle of deviation of the final emergent ray
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