Question

Assuming n $=$ 1.352. Calculate the angle of incidence at AB for which the refracted ray passes through the diagonal face undeviated.

Answer 1

from the above figure,

$r=45°$

$\therefore \sin i=1.352\sin 45$

$=\frac{1.352}{1.414}=0.9588$

$\therefore i=73.5°$