A wooden cylinder of diameter 4 r, height H and density `rho//3` is kept on a hole of diameter 2 r of a tank, filled with water of density `rho` as shown in the
The block in the above question is maintained by external means and the level of liquid is lowered. The height `h_(2)` when this external force reduces to zero is
A. `(4H)/(9)`
B. `(5H)/(9)`
C. Remains same
D. `(2H)/(3)`