Physics Unit27: Early Quantum Theory and Models of the Atom (id: cf5df2671)

本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 通用国际物理

[单选题]
When an electron jumps from an orbit wheru7eh ykq1y*--f3 xlace n = 4 to one where1jco: p ufob;/ fxt(0y 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

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