Question

# The spin angular momentum for the ′s′ electron in H−atom is:√3h4π√h2π√h4π√3h2π

Solution

## The correct option is A √3h4πThe electronic configuration of hydrogen atom is 1s1. So the total spin quantum number S=12 ∴ Spin angular momentum =√S(S+1)h2π=√12(12+1)h2π=√3h4π

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