An air bubble of `10mm` radius is rising at a stready rate of `2mm//sec` through a liquid of
Channel: Doubtnut
Date: 2020-08-23

An air bubble of `10mm` radius is rising at a stready rate of `2mm//sec` through a liquid of density `1.47xx10^(8) kg m^(-3)` . Calculate the coffe. Of viscosity of liquid `(g=9.8 ms^(-2))` neglect density of air.