A Ray of Light Strikes a Thick Sheet of Glass $\degree$

A ray of light strikes a thick sheet of glass (n = 1.5) at an angle of 25 $\degree$ with the normal.Find the angle of the ray reflected off the glass surface with respect to the normal.

A) 56 $\degree$
B) 46 $\degree$
C) 39 $\degree$
D) 25 $\degree$