5 A ray of light travelling in a transparent medium falls on

Last updated: 6/24/2023

5 A ray of light travelling in a transparent medium falls on a surface separating the medium from air at an angle of incidence of 45 The ray undergoes total internal reflection If n is the refractive index of the medium with respect to air select the possible value of n from the following 1 1 2 3 1 4 2 4 3 4 1 5