Ts Eamcet
Ray Optics
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ+1 / -02020
Consider a glass prism immersed in a liquid as shown below. The refractive index of glass and liquid is 1.5 and 1.2, respectively. A ray of light enters the prism perpendicular to the face $A B$. The largest value of angle $\theta$ is, if the ray is totally reflected at the face $A C$, then

