The Critical Angle for an Air-Glass Interface Is 42 $65.7 ^ { \circ }$

Multiple Choice

The critical angle for an air-glass interface is 42.6°. A light ray in air hits the interface, and the reflected ray is 100% polarized. What is the angle of refraction for that ray?

A) $65.7 ^ { \circ }$
B) $47.4 ^ { \circ }$
C) $34.1 ^ { \circ }$
D) $55.9 ^ { \circ }$
E) $24.3 ^ { \circ }$