Physics · 2021
JEE Main · 25 July 2021, Shift 2 · Q16
A ray of light entering from air into a denser medium of refractive index 4/3, as shown in figure. The light ray suffers total internal reflection at…
A ray of light entering from air into a denser medium of refractive index $\displaystyle \frac{4}{3}$, as shown in figure. The light ray suffers total internal reflection at the adjacent surface as shown.The maximum value of angle $\displaystyle \theta$ should be equal to :
Official answer
(2)
$\displaystyle \sin ^{-1} \frac{\sqrt{7}}{3}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.