Jee Main
Geometrical Optics
JEE Main 2023 (Online) 11th April Morning Shift
MCQ+4 / -12023
The critical angle for a denser-rarer interface is \(45^{\circ}\). The speed of light in rarer medium is \(3 \times 10^{8} \mathrm{~m} / \mathrm{s}\). The speed of light in the denser medium is: