Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver)

A metallic sphere of mass 1 kg and volume 2 x 104 m³ is completely immersed in water. The buoyant force exerted by water on the sphere is: (Given : density of water = 1000 kg/m³, g = 10 m/s²)

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

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

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

A sudden fall in barometer reading indicates that the weather will be :