Question

For a glass plate as a polariser with refractive index $1.633$, calculate the angle of incidence at which light is polarised.

Answer 1

Given,$n=1.633$
$\because n=\tan i_p$
$\Rightarrow 1.633=\tan i_p$
$\Rightarrow i_p={\tan }^{-1}\left(1.633\right)={58.5}^o$