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A ray of light falls at an angle of 30∘ onto a plane parallel glass plate and it leaves parallel to the initial ray. What is the thickness of the plate if the distance between the direction of incident ray and emergent ray is 3.82 cm?[Given: μg=1.5,sin−1(13)=19.5∘, cos(19.5∘)=0.94,sin(10.5∘)=0.18] |
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Answer» A ray of light falls at an angle of 30∘ onto a plane parallel glass plate and it leaves parallel to the initial ray. What is the thickness of the plate if the distance between the direction of incident ray and emergent ray is 3.82 cm? |
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