GATE XE 2023 | Question: 23

Question

\begin{tabular}{l|l}
Q. 33 & For a potential flow, the fluid velocity is given by $\vec{V}(x, y)=u \hat{\imath}+v \hat{\jmath}$. The slope \\
of the potential line at $(x, y)$ is \\
\hline

• A. & $\frac{u}{v}$ \\
  \hline
• B. & $\frac{v}{u}$ \\
  \hline
• C. & $-\frac{u}{v}$ \\
  
• D. & $-\frac{v}{u}$
  \end{tabular}