The Critical Angle for an Air-Glass Interface Is 29

question 23

Multiple Choice

The critical angle for an air-glass interface is 29.6°.When a light ray in air is incident on the interface,the reflected ray is 100% polarized.What is the angle of refraction of that ray?

• A) 26.3°
• B) 25.7°
• C) 25.1°
• D) 24.5°
• E) 23.9°

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