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Which of the following set of quantum numbers belong to highest energy:
(1) n=4, l=0, m=0, s= +1/2
(2) n=3, l=0, m=0, s= +1/2
(3) n=3 l=1, m=1, s= +1/2
(4) n=3 l=2, m=1, s= +1/2
Ans: n=3 l=2, m=1, s= +1/2
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