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5 prisms of refractive indices n1,n2,n3,n4,n5 are arranged alternatively.light enters and leaves at same grazing angle.What is the value of n1^2 + n3^2 + n5^2 a)1 + n2^2 + n4^2 b)2 + n2^2 + n4^2 c) n2^2 + n4^2 d)none of these

5 prisms of refractive indices n1,n2,n3,n4,n5 are arranged alternatively.light enters and leaves at same grazing angle.What is the value of n1^2 + n3^2 + n5^2


 


a)1 + n2^2 + n4^2


b)2 + n2^2 + n4^2


c) n2^2 + n4^2


d)none of these

Grade:10

1 Answers

RACHNA SHETTY
16 Points
12 years ago

how can light enter d prism at a grazing angle??

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