Physics · 2010
NEET 2010 · Mains · Code C · Q68
The speed of light in media M_1 and M_2 is 1.5 × 10^8 m / s and 2.0 × 10^8 m / s respectively. A ray of light enters from medium M_1 to M_2 at an…
The speed of light in media $\displaystyle M_1$ and $\displaystyle M_2$ is $\displaystyle 1.5 \times 10^8 \mathrm{~m} / \mathrm{s}$ and $\displaystyle 2.0 \times 10^8 \mathrm{~m} / \mathrm{s}$ respectively. A ray of light enters from medium $\displaystyle M_1$ to $\displaystyle M_2$ at an incidence angle $\displaystyle i$. If the ray suffers total internal reflection, the value of $\displaystyle i$ is
Official answer
(3)
Equal to or greater than $\displaystyle \sin ^{-1}\left(\frac{3}{4}\right)$
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NEET (UG) 2010 Physics question, with the answer from NTA’s final answer key. Where our answers come from.