Physics - Fluid Question with Solution | TestHub

If$\mathrm{\text{'}}\mathrm{M}\mathrm{\text{'}}$is the mass of water that rises in a capillary tube of radius$\mathrm{\text{'}}\mathrm{r}\mathrm{\text{'}}$, then mass of water which will rise in a capillary tube of radius$\mathrm{\text{'}}2\mathrm{r}\mathrm{\text{'}}$is: