Question

A container made of glass (u = 1.5) contains a
liquid. A ray of light passing through the liquid
falls on the bottom of the container at an angle
of incidence etan-- (0.9) and completely
polarized. The ray should strike the bottom of
the container at an angle of incidences so that it
undergoes total internal reflection
1) tan-(1.5) 2) sin-'(0.9)
3) tan-'(0.75) 4) sin-'(0.45)​

Answer 1

Explanation:

tan(1.5)2) sin-'(0.9)