Physics And Measurement Question 57

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

[ BHU 1997]

Options:

A) Angular momentum and Planck’s constant

B) Moment of inertia and moment of a force

C) Work and torque

D) Impulse and momentum

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Answer:

Correct Answer: B

Solution:

$ \text{Moment of inertia}=mr^{2}=[M][L^{2}] $ Moment of Force = Force $ \times $ Perpendicular distance = $ [ML{{T}^{-2}}][L]=[ML^{2}{{T}^{-2}}] $



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