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The orbital angular momentum and angular...

The orbital angular momentum and angular momentum (classical analogue) for the electron of 4s-orbital are respectively, equal to:

A

`sqrt(12)(h)/(2pi) and (h)/(2pi)`

B

zero and `(2h)/(pi)`

C

`sqrt(6)h and (2h)/(2pi)`

D

`sqrt(2)(h)/(2pi) and (3h)/(2pi)`

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The correct Answer is:
B
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