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Out of the following pair, which one does NOT have identical dimensions is

  • A angular momentum and Planck's constant
  • B impulse and momentum
  • C moment of inertia and moment of a force
  • D work and torque
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Correctt option is C) moment of inertia and moment of a force

Moment of inertia, I = Mr2

\( \therefore\) [I] = [ML2]

Moment of force, \(\overrightarrow \tau = \overrightarrow r \times \overrightarrow F \)

\(\therefore[\overrightarrow \tau ]=[L][ML{T^{ - 2}}]=[ML^{ 2}{T^{ - 2}}]\)

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