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Sahay Sir > Question Answers > MTG NEET Physics > Part 2 > Chapter 9 - Ray Optics > Two glass prisms P1 and P2 are to be combined together to produce dispersion without deviation. The angles of the prisms P1 and P2 ​are selected as 4^o and 3^o respectively. If the refractive index of prism P1 is 1.54, then that of P2 will be

Two glass prisms P1 and P2 are to be combined together to produce dispersion without deviation. The angles of the prisms P1 and P2 ​are selected as 4^o and 3^o respectively. If the refractive index of prism P1 is 1.54, then that of P2 will be

A equiangular glass prism of refractive index 1.6 is kept fully immersed in water of refractive index 4/3 for a certain ray of monochromatic light. What is the closest value for the angle of minimum deviation of the light ray in this setup? (Take sine 37 degree = 0.6)