| Column - $\mathrm{I}$ | Column - $\mathrm{II}$ |
| $(a)$ Viscous force | $(i)$ $\left[ {{M^1}{L^1}{T^{ - 2}}} \right]$ |
| $(b)$ Coefficient of viscosity | $(ii)$ $\left[ {{M^1}{L^{ - 1}}{T^{ - 1}}} \right]$ |
| $(iii)$ $\left[ {{M^1}{L^{ - 1}}{T^{ - 2}}} \right]$ |


(The coefficient of viscosity of water is $9.8 \times 10^{-6}$ $\left.\mathrm{N} \mathrm{s} / \mathrm{m}^2\right)$