A Ray of Light Is Incident on the Mid-Point of a Glass

Multiple Choice

A ray of light is incident on the mid-point of a glass prism surface at an angle of 24.0° with the normal.For the glass,n = 1.55,and the prism apex angle is 44.3°.What is the angle of refraction as the ray enters the air on the far side of the prism?

A) 0.853°
B) 48.9°
C) 18.3°
D) 11.7°
E) 29.1°