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Q. The dimensional formula for areal velocity is

NTA AbhyasNTA Abhyas 2020Physical World, Units and Measurements

Solution:

It is the area covered per unit time $\because[$ Area $]=\left[\mathrm{L}^2\right]$
$\therefore[$ Areal velocity $]=\left[\mathrm{L}^2 \mathrm{~T}^{-1}\right]$