A thin prism \(P_1\) with an angle \(6^{\circ}\) and made of glass of refractive index 1.54 is combined with another pri…
Q1
A thin prism \(P_1\) with an angle \(6^{\circ}\) and made of glass of refractive index 1.54 is combined with another prism \(P_2\) made from glass of refractive index 1.72 to produce dispersion without average deviation. The angle of prism \(P_2\) is:
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