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Question

For an electron with n=3 has only one radial node. The orbital angular momentum of the electron will be :

A
0
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B
6h2π
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C
2h2π
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D
3h2π
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Solution

The correct option is C 2h2π
Number of radial nodes =nl1=1

Since, n=3. l=1
Orbital angular momentum =l(l+1)h2π=2h2π

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