If the semi-circular glass plate were submerged in ethyl alcohol (n=1.36) rather than air (n=1.00), its critical angle would be different from that found in this lab. What would be the critical angle for the semi-circular glass plate submerged in ethyl alcohol?

If the semi-circular glass plate were submerged in ethyl alcohol (n=1.36) rather than air (n=1.00), its critical angle would be different from that found in this lab. What would be the critical angle for the semi-circular glass plate submerged in ethyl alcohol?

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Question

If the semi-circular glass plate were submerged in ethyl alcohol (n=1.36) rather than air (n=1.00), its critical angle would be different from that found in this lab.

What would be the critical angle for the semi-circular glass plate submerged in ethyl alcohol?

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