CGPET 2013 Solved Paper
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Question : 45 of 150
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A thin prism P 1 with angle 6 ∘ and made from glass of refractive index 1.54 is combined with another thin prism P 2 of glass of refractive index 1.72 to produce dispersion without deviation. The value of angle of prism of P 2 will be
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