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The critical angle for a certain liquid-air surface is 46.6 ?. What is the index of...

The critical angle for a certain liquid-air surface is 46.6 ?.

What is the index of refraction of the liquid?

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Answer #1

From given data, critical angle of refraction is

From snell's law, index of refraction is given by

   ...... (1)

here is angle of incidence

For critical refraction angle, angle of incidence is

Substitute the known values in (1)

Thus, the index of refraction is

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