There is a small source of light at some depth below the

Last updated: 6/18/2023

There is a small source of light at some depth below the surface of water refractive index in a tank of large cross sectional surface area Neglecting any reflection from the bottom and absorption by water percentage of light that emerges out of surface is nearly Use the fact that surface area of a spherical cap of height h and radius of curvature r is 27rh A 17 B 34 C 50