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The rartio ("in" S 1 units) of magnetic ...

The rartio `("in" S 1 units)` of magnetic dipole moment to that of the angular momentum of an electron of mass `m kg` and charge `e` coulomb in Bohr's orbit of hydrogen atom is

A

`e/m`

B

`e/(2m)`

C

`e/(3m)`

D

`(2e)/m`

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The correct Answer is:
B
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