A point source of power 4W is placed 1m below the free surface of liqu – InterviewSolution

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

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