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The angular momentum of an electron in a...

The angular momentum of an electron in a given stationary state can be expressed as `m_(e)vr=n(h)/(2pi)`. Based on this expression an electron can move only in those orbits for which its angular momentum is

A

equal to n

B

integral multiple of `h/(2pi)`

C

multiple of n

D

equal to `h/(2pi)` only.

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The correct Answer is:
B
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