MCQ
The angle of incidence at which reflected light is totally polarized for reflection from air to glass $($refraction index $n)$ is
- A$\sin ^{-1}(n)$
- B$\sin ^{-1}\left(\frac{1}{n}\right)$
- C$\tan ^{-1}\left(\frac{1}{\mathrm{n}}\right)$
- ✓$\tan ^{-1}(\mathrm{n})$