A glass slab of refracctive index 2u is sandwiched between

Last updated: 6/8/2023

A glass slab of refracctive index 2u is sandwiched between two transparent slabs of refractive indices 2 and 3 u respectively as shown in the figure What should be the minimum angle of incidence i for which light once entered into it will not leave it through the lateral faces Bor air 2 ic incident ray 1 sin sin 1 M 2 py 7 sin 1 5 08 2 2 3 S 2 sin 3 oin 1 u 200 sa