Brewster's Angle: When light in air strikes the flat surface of a certain glass at 31.2° with the normal, the reflected ray is 100 percent polarized. What is the critical angle for the air-glass interface of this glass?
A. 52.7°
B. 58.8°
C. 21.4°
D. 37.3°
E. 68.6°
Answer: D
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