An atom is in the state whose multiplities is three and the total angular momentum is `ħsqrt(20)`. What can the corresponding quantum number `L` be equal to?

An atom is in the state whose multiplities is three and the total angu

1.	An atom is in the state whose multiplities is three and the total angular momentum is `ħsqrt(20)`. What can the corresponding quantum number `L` be equal to?
Answer» Multiplicity is `2S+1 so S=1` Total angular momentum is ` ħsqrt(J(J+1))` so `J=4`. Then `L` must be equal `3,4,5` in order that `J=4` may be included in `\|L-S\| to L + S`

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An atom is in the state whose multiplities is three and the total angular momentum is `ħsqrt(20)`. What can the corresponding quantum number `L` be equal to?

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