Physics · 2022
JEE Main · 26 July 2022, Shift 2 · Q37
Light travels in two media M_1 and M_2 with speeds 1.5 × 10^8 m s^-1 and 2.0 × 10^8 m s^-1 respectively. The critical angle between them is:
Light travels in two media $\displaystyle M_1$ and $\displaystyle M_2$ with speeds $\displaystyle 1.5 \times 10^8 m s^{-1}$ and $\displaystyle 2.0 \times 10^8 m s^{-1}$ respectively. The critical angle between them is:
Official answer
(1)
$\displaystyle \tan ^{-1}\left(\frac{3}{\sqrt{7}}\right)$
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.