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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 2 > Chapter 17 - Refraction of Light by Plane Surfaces > X is a small angled prism of angle made of a material of refractive index 1.5. A ray of light is made incident as shown in figure. M is a plane mirror. The angle of deviation for the ray reflected from the mirror M with respect to incident ray is

X is a small angled prism of angle made of a material of refractive index 1.5. A ray of light is made incident as shown in figure. M is a plane mirror. The angle of deviation for the ray reflected from the mirror M with respect to incident ray is

A light ray is incident on a prism in minimum deviation position and suffers a deviation of 40^o . If the shaded half of the prism is removed off then the same ray will suffer a deviation of :