1.

Out of following pairs which one does NOT have identical dimensions ?

Answer»

angular momentum and Planck's CONSTANT
impulse and momentum
MOMENT of inertia and moment of force
work and torque.

Solution :Moment of inertia`I=MR^(2)=[ML^(2)T^(0)]`
Moment of force`=`Force `xx` distance`=[MLT^(-2)]xx[L]`
`=[ML^(2)T^(-2)]`
Hence correct CHOICE is `(C )`.


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