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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 2 > Chapter 9 - Ray Optics > A ray incident at a point at an angle of incidence of 60∘ enters a glass sphere of refractive index 3–√ and is reflected and refracted at the farther surface of the sphere. The angle between the reflected and refracted rays at this surface is

A ray incident at a point at an angle of incidence of 60∘ enters a glass sphere of refractive index 3–√ and is reflected and refracted at the farther surface of the sphere. The angle between the reflected and refracted rays at this surface is

at which point image is not formed in mirror a (distance measured from mirror A) Two plane mirrors A and B are parallel to each other and spaced 20 cm apart. An object is kept in between them at 15 cm from A. Out of the following