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Physics, 21.03.2020 02:48 24wilsleaann

) 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?

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) Light enters a substance from air at 30.0° to the normal. It continues within the substance at 23....
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