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Sahay Sir > Question Answers > MTG NEET Physics > Part 2 > Chapter 9 - Ray Optics > A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and each of these equal to 3/4 of the angle of the prism. The angle of deviation is

A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and each of these equal to 3/4 of the angle of the prism. The angle of deviation is

A thin prism p of refracting angle 3 degree and refracting index 1.5 is combined with another thin prism Q of refractive index 1.6 to produce dispersion without deviation. The angle of prism Q is.