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[Post New] 26 Jan 2012 21:48:12 IST
   Subject: 5 prisms of refractive indices n1,n2,n3,n4,n5 are arranged alternatively.light enters and leaves
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sathyaram (150)

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Olaaa!! Perrrfect answer. 30  [30 rates]
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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 + n4^2b)2 + n2^2 + n4^2c) n2^2 + n4^2d)none of these
    
 
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