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What are the values of the orbital angul...

What are the values of the orbital angular momentum of an electron in the orbitals `1s,3s,3d` and `2p`:-
(a). `0,0sqrt(6h),sqrt(2h)`
(b). `1,1sqrt(4h),sqrt(2h)`
(c). `0,1sqrt(6h),sqrt(3h)`
(d). `0,0sqrt(20h),sqrt(6)`

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