1.

Which of the following has same dimension as that of planck's constant?

Answer»

Force
Energy
Linear momentum
Angular momentum

Solution :Energy E=hv
`therefore H=(E )/(v)`
`therefore [h]=([E])/([v])=([M^(1)L^(2)T^(-2)])/([M^(0)L^(0)T^(-1)])=[M^(1)L^(2)T^(-1)]`


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