問題詳情
10. An excited hydrogen atom with an electron in the n = 5 state emits light having a frequency of 6.90 × 1014 s-1 . The principal quantum level for the final state in this electronic transition is calculated to be___________ .
(A) 5
(B) 4
(C)3
(D) 2
(E)1 2
(A) 5
(B) 4
(C)3
(D) 2
(E)1 2
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無參考答案
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