Match List I with List II.
$$\begin{array}{|l|l|l|l|}\hline & \text{List I} & & \text{List II} \\ \hline \text{A.} & \text{Torque} & \text{I.} & \text{kg m}^{-1}\,\text{s}^{-2} \\ \hline \text{B.} & \text{Energy density} & \text{II.} & \text{kg m s}^{-1} \\ \hline \text{C.} & \text{Pressure gradient} & \text{III.} & \text{kg m}^{-2}\,\text{s}^{-2} \\ \hline \text{D.} & \text{Impulse} & \text{IV.} & \text{kg m}^{2}\,\text{s}^{-2} \\ \hline \end{array}$$
Choose the correct answer from the options given below:
Answer: (D) A-IV, B-I, C-III, D-II
- Torque $=$ force × distance: $\text{kg m}^2\,\text{s}^{-2}$ → IV
- Energy density $=$ energy/volume: $\text{kg m}^{-1}\,\text{s}^{-2}$ → I
- Pressure gradient $=$ pressure/length: $\text{kg m}^{-2}\,\text{s}^{-2}$ → III
- Impulse $=$ force × time: $\text{kg m s}^{-1}$ → II
Solution by Sreeraj P, M.Sc Physics