Jee Main
Geometrical Optics
JEE Main 2021 (Online) 25th July Evening Shift
MCQ+4 / -12021
A ray of light entering from air into a denser medium of refractive index \({4 \over 3}\), as shown in figure. The light ray suffers total internal reflection at the adjacent surface as shown. The maximum value of angle \(\theta\) should be equal to :
