A light ray falling at an angle of 45 with the surface of a

Last updated: 5/30/2023

A light ray falling at an angle of 45 with the surface of a clean slab of ice of thickness 1 00 m is refracted into it at an angle of 30 Calculate the time taken by the light rays to cross the slab Speed of light in vacuum 3 x 10 ms 8 1