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 :-

(2) Moment of inertia=mr2=[M]  [L2]

Moment of Force = Force × Perpendicular distance

= [MLT2][L]=[ML2T2]

Difficulty Level:

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