25 A ray of light travelling in air is incident at angle 0

Last updated: 6/8/2023

25 A ray of light travelling in air is incident at angle 0 30 on a long rectangu of a transparent medium The point of incidence is origin O of the coordinate system as shown in the figure 8 X Air The medium has a variable index of refraction y given by 0 25 ky 2 1 2 where k 1 0 m Calculate the equation for trajectory of the ray in the medium b y 4x a x 4y c y 4x d x y 4