A metallic sphere with an internal cavity weighs `40 gwt` in air and `20 gwt` in water. If the
Channel: Doubtnut
Date: 19/01/2020

A metallic sphere with an internal cavity weighs `40 gwt` in air and `20 gwt` in water. If the density of the material with cavity be `8g per cm^(3)` then the volume of cavity is :