Physics, 25.03.2021 18:50 flynwildozfuf5

What best describes why the critical angle of an air-glass boundary is 39.3°? A. It is the angle of refraction in glass for which the angle of incidence in air is 90°. B. It is the angle of incidence in air for which the angle of refraction in glass is 90°. C. It is the angle of refraction in air for which the angle of incidence in glass is 90°. D. It is the angle of incidence in glass for which the angle of refraction in air is 90°.

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What best describes why the critical angle of an air-glass boundary is 39.3°? A. It is the angle of...