A glass sphere has a cavity inside it. whhen placed in water, it floats with `20` of its volume
Channel: Doubtnut
Date: 26/07/2020

A glass sphere has a cavity inside it. whhen placed in water, it floats with `20` of its volume above the water surface. Find the volume of the cavity as a fraction of total volume (density of glass `=2.5g//"cc")`.