" 3) The bottom of a pond appears raised."

Give scientific reasons The bottom of a pond appears raised.

A coin placed at the bottom of a tank appears to be raised,when water is poured into the tank.Why?

A mark at the bottom of a liquid appears to rise by 0.1m . The depth of the liquid is 1m . The refractive index of the liquid is

A mark at the bottom of a liquid appears to rise by 0.1m . The depth of the liquid is 1m . The refractive index of the liquid is

A coin placed at the bottom of a beaker appears to be raised by 4.0 cm. If the refractive index of water is 4/3, find the depth of the water in the beaker.