A point source of power 4 {W} is placed 1 {m} below the free surface of liquid whose refractive index is \frac{2}\sqrt{3} '. Find the rate of transfer of energy (in watt) from the liquid surface to air. Ignore any absorption or scattering of light energy.

JEE Advanced 2020 Concept Recapitulation Test 1 Paper 1

Question : 17 of 54

Marks: +1, -0

A point source of power 4W is placed 1m below the free surface of liquid whose refractive index is ‌

√3

'. Find the rate of transfer of energy (in watt) from the liquid surface to air. Ignore any absorption or scattering of light energy.

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