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Q. The physical quantity that does not have the dimensional formula $[ML^{-1}T^{-2}]$ is

KEAMKEAM 2015

Solution:

As, force $=$ mass $\times$ acceleration
$\Rightarrow $ Force $=[ M ] \times\left[ M ^{0} L ^{1} T ^{-2}\right]$
$\Rightarrow $ Force $=\left[ M ^{1} T _{.}^{1} T ^{-2}\right]$
So, the force does not have the dimensional formula $\left[ M L ^{-1} T ^{-2}\right]$