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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 2 > Chapter 9 - Ray Optics > A ray of monochromatic light is incident on one refracting face of a prism of angle 75∘. It passes through the prism and is incident on the other face at the critical angle. If the refractive index of the material of the prism is root 2, the angle of incidence on the first face of the prism is

A ray of monochromatic light is incident on one refracting face of a prism of angle 75∘. It passes through the prism and is incident on the other face at the critical angle. If the refractive index of the material of the prism is root 2, the angle of incidence on the first face of the prism 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