A light cylinderical tube of length L=1.5m and radius `v=(1)/sqrt(pi)m` is open at one end. The tube containing air is inverted and pushed inside water as shown in figure. A block made of material of relative density 2 haas been placed on the flat upper surface of the tube and the whole system is in equilibrium Neglect the weight of air inside the tube and find the volume of block placed on the tube.

Answer

`0.75 m^(3)`