A rod of height h is placed in a beaker of same radius The

Last updated: 6/14/2023

A rod of height h is placed in a beaker of same radius The height of the beaker is 3 times its radius An observer sees the top end of the rod through a pin hole see figure When the beaker is filled with a liquid of refractive index upto a height 2h he can see the lower end of the rod Find the value of