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S.I. unit of Bohr magneton, work functio...

S.I. unit of Bohr magneton, work function, Rydberg constant and activity are respectively :

A

Am, W, unitless, s

B

`Wb^-1, J, m^-1, s`

C

`mmA, J, unitless, s^-1`

D

`Am2, J, m^-1, s^-1`.

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