Different physical quantities are given in Column - $\mathrm{I}$ and their dimensional formula are given in Column - $\mathrm{II}$. Match them appropriately.
| Column - $\mathrm{I}$ | Column - $\mathrm{II}$ |
| $(a)$ Viscous force | $(i)$ $\left[ {{M^1}{L^1}{T^{ - 2}}} \right]$ |
| $(b)$ Coefficient of viscosity | $(ii)$ $\left[ {{M^1}{L^{ - 1}}{T^{ - 1}}} \right]$ |
| $(iii)$ $\left[ {{M^1}{L^{ - 1}}{T^{ - 2}}} \right]$ |
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$(a-i),(b-i i)$
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