An ideal fluid flows (laminar flow) through a pipe of non-uniform diameter. The maximum and minimum diameters of the pipes are $6.4 \;\mathrm{cm}$ and $4.8 \;\mathrm{cm},$ respectively. The ratio of the minimum and the maximum velocities of fluid in this pipe is:
JEE MAIN 2020, Medium
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$\mathrm{A}_{1} \mathrm{v}_{1}=\mathrm{A}_{2} \mathrm{v}_{2}$
$\frac{V_{\min }}{V_{\max }}=\frac{A_{\min }}{A_{\max }}$
$\frac{v_{\min }}{v_{\max }}=\left(\frac{4.8}{6.4}\right)^{2}$
$\frac{V_{\min }}{V_{\max }}=\frac{9}{16}$
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