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Question

The ratio of the dimensions of Planck constant and that of moment of inertia has the dimensions of


A

angular momentum

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B

time

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C

velocity

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D

frequency

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Solution

The correct option is D

frequency


nh2π=L=mvr

Dimensions of h = dimensions of L

hI=mvrmr2=vr=ωf

Thus the ratio has the dimension of frequency.


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