A thin prism P1with angle 4° made of glass having refractive index 1.54, is combined with another thin prism

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🧑‍🏫 Author: Aditya Bhatt Sir   |   🕒 Last Updated: July 13, 2025

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📘Question

A thin prism P1 with angle 4° made of glass having refractive index 1.54, is combined with another thin prism P2 made of glass having refractive index 1.72 to get dispersion without deviation. The angle of the prism P2 in degrees is

 (1) 4 

(2) 3

 (3) 16/3

 (4) 1.5

                                                                (JEE-2025)

✅ Answer

A thin prism P1 with angle 4° made of glass having refractive index 1.54, is combined with another thin prism P2 made of glass having refractive index 1.72 to get dispersion without deviation. The angle of the prism P2 in degrees is (1) 4 (2) 3 (3) 16/3 (4) 1.5

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