Of the following quantities, which one has dimensions different from the remaining three?

Of the following quantities, which one has dimensions different from the remaining three?
  1. Energy per unit volume
  2. Force per unit area
  3. Product of voltage and charge per unit volume
  4. Angular momentum

Solution

For angular momentum, the dimensional formula is $\left[\mathrm{ML}^{2} \mathrm{~T}^{-1}\right]$. For other three, it is $\left[\mathrm{ML}^{2} \mathrm{~T}^{-2}\right]$ *

Asked in: JEE Mains - Units and Dimensions - Test 1

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