cylindrical rod has a refractive index of 2 3 It is

Last updated: 5/30/2023

cylindrical rod has a refractive index of 2 3 It is surrounded by air A light ray is incident at the midpoint of one end of the rod as shown in the figure soli The incident angle 0 for which the light ray grazes along the wall of the rod is 1 sin 1 2 2 sin 2 2 3 sin 2 3 165