A long rectangular slab of transparent medium is placed on a

Last updated: 6/11/2023

A long rectangular slab of transparent medium is placed on a horizontal table with its length parallel to x axis and width parallel to the y axis as shown in diagram A ray of light travelling in air makes a grazing incidence on the slab The refractive index N of medium varies as N 2x The path of light ray is given by light ray 1 y 2log x n 1 2 y 0 X