The Critical Angle for an Air-Glass Interface Is 10

The critical angle for an air-glass interface is 10.9 degrees.A ray in air is incident on the interface.The reflected ray is 100 percent polarized.The angle of refraction is closest to:

A) 10.7°
B) 10.1°
C) 9.51°
D) 8.91°
E) 8.31°