Question:

A point source of power 4 W is placed 1 m below the free

Last updated: 6/24/2023

A point source of power 4 W is placed 1 m below the free

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