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Match the following pairs:

\begin{array}{|l|l|l|l|} \hline &\textbf{Equation} && \textbf{Physical Interpretation} \\ \hline P. & \nabla \times \overrightarrow{V}=0 & I. & \text{ Incompressible continuity equation} \\ \hline Q. & \nabla \bullet \overrightarrow{V}=0 & II. & \text{Steady flow}  \\ \hline  R. &\dfrac{D \overrightarrow{V}}{Dt}=0  &III. & \text{Irrotational flow}  \\ \hline S. & \dfrac{\partial \overrightarrow{V}}{\partial t}=0 & IV. &  \text{Zero acceleration of fluid particle} \\ \hline \end{array}

  1. $P-IV, Q-I, R-II, S-III$
  2. $P-IV, Q-III, R-I, S-II$
  3. $P-III, Q-I, R-IV, S-II$
  4. $P-III, Q-I, R-II, S-IV$
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