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AlladinOne [14]
4 years ago
14

The critical angle for a certain liquid-air surface is 45.5 ∘ . What is the index of refraction of the liquid

Physics
1 answer:
Lesechka [4]4 years ago
8 0
At critical angle,
\sin{45.5} = \frac{1}{n_{l}}
so
n_{l} = 1.4
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