Refractive index of glass is 1.5 and of diamond is 2.42. Calculate the polarising angle for glass-diamond interface.

Explanation

`mu_g=1.5,mu_("dia")=2.42`
`therefore (mu_("dia"))/(mu_g)=(2.42)/(1.5)=1.6133`
`therefore tan i_B=1.6133`
or `i_B=31^@ 30'`