Physics Unit27: Early Quantum Theory and Models of the Atom (id: df33710fd)

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本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 Generic Physics

[单选题]
When an electron jumpset i4i),oq -ms geox83f9ae r/ from an orbit where n = 4 to one where n = 2

A. a photon is emitted.
B. a photon is absorbed.
C. two photons are emitted.
D. two photons are absorbed.
E. none of the given answers


参考答案:  A


本题详细解析: 暂无