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Q.
The dimensional formula $\left[ ML ^{-1} T ^{-2}\right]$ is for the quantity
Physical World, Units and Measurements
Solution:
The dimensional formula for pressure.
$P=\frac{\text { Force}}{\text { Area }}=\frac{ MLT ^{-2}}{ L ^{2}}$
$\Rightarrow \left[ ML ^{-1} T ^{-2}\right]$