Questions
An isosceles prism of angle 120° has a refractive index of 1.44. Two parallel monochromatic rays enter the prism parallel to each other in air as shown. The rays emerging from the opposite faces
detailed solution
Correct option is D
At point A,sin300sin r=11.44⇒r=sin−10.72also∠BAD=180o−∠rin rectangle ABCD, ∠A+∠B+∠C+∠D=360o⇒180o−r+60o+180o−r+θ=360o⇒θ=2sin−10.72−30oTalk 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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