A boat floating in a tank is carrying some passengers. If the passengers drink water from the tank, how will it affect the water level of the tank?

An ice cube is floating in a glass of water. What happens to the water level when the ice melts? It –

The immersed portion of a piece of pure ice floating in water is

A piece of ice is floating in a beaker containing water up to its brim. When whole of the ice melts

While lifting a bucket of water from a well, we feel that the bucket :

If two bubbles of soap of different diameter come in contact with a tube, then what will happen?