A piece of pure gold (density = 19.3 gcm-3 ) is suspected to be hollow from inside. It weighs 77.2 g in air and 71.2 g in water. The volume of the hollow portion in gold will be
A piece of gold (p=19.3 g cm-3) is suspected to be hollow from inside. It weighs 77.2 g in air and 71.2 g in water. The volume of the hollow portion in gold will be: