36 A ray enters a medium of origin such that the refractive

Last updated: 6/8/2023

36 A ray enters a medium of origin such that the refractive index varies with y co ordinate as P P constants a a y 3 60 a YA where and a are positive Find the y co ordinate of the point after which the ray becomes parallel to x axis 1 a 2 2a 4 X 1 a 2