Sunlight Reflected from a Smooth Ice Surface Is Completely Polarised $\degree$

Multiple Choice

Sunlight reflected from a smooth ice surface is completely polarised.Determine the angle of incidence.(nice = 1.31.)

A) 52.6 $\degree$
B) 25.6 $\degree$
C) 65.2 $\degree$
D) 56.2 $\degree$
E) 49.8 $\degree$