Out of the following, the only pair that does not have identical dimensions is

(1) Angular momentum and Planck's constant

(2) Moment of inertia and moment of a force

(3) Work and torque

(4) Impulse and momentum

Concept Videos :-

#1 | Basic Concepts & Examples
#2 | Dimensional Analysis : Remaining

Concept Questions :-

Dimensions

(2)

Moment of Force = Force × Perpendicular distance

= $\left[ML{T}^{-2}\right]\text{\hspace{0.17em}}\left[L\right]\text{\hspace{0.17em}}=\text{\hspace{0.17em}}\left[M{L}^{2}{T}^{-2}\right]$

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