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A ray of light incident at an angle of 45°on parallel sided glass slab and emerges out grazing the vertical surface.the refractive index of the slab is. Options a)√3÷√2 b)√5÷√2 c)√3÷2. d)√5÷2
Hiii PataCan you please clarify the meaning of grazing the vertical surface . Just upload the image.By the way from my point of view it should be taken as 90 degree.In that case the ans would come as 1/square root 2. Which is not in option .Just upload the image of question , i will happy to help.
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