Light enters a substance from air at 30.0° to the normal. It continues within the substance at ...

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Light enters a substance from air at 30.0° to the normal. It continues within the substance at ...

Light enters a substance from air at 30.0° to the normal. It continues within the substance at 23.0° to the normal. What is the critical angle for this substance when it is surrounded by air?
A) 53°
B) 51.4°
C) 36.7°
D) 12.6°

Textbook

College Physics

Edition: 1^st

Authors: Etkina, Gentile, Van Heuvelen

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Chery Author

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7 years ago

I needed this so much, thanks

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cbechen

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4 years ago

thanks

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