A ray of light is incident normally on face AB of a prism of

Last updated: 6/10/2023

A ray of light is incident normally on face AB of a prism of refractive index 3 2 The largest value of angle 0 so that ray is totally reflected from face AC when prism immersed in oil of refractive index 5 4 is given by A oil B 3 2 O sin 3 3 5 4 O sin 1 5 cos 6 oil 0 C