What is the maximum angle of incidence in the figure for

Last updated: 6/11/2023

What is the maximum angle of incidence in the figure for which the ray would satisfy the ondition for total internal reflection at the boundary of media of refractive indices n and n here n n 0 0 air 0 sin n n 0 sin n n 0 sin 1 0 sin n n 2 n n