Physics Unit30: Nuclear Physics and Radioactivity (id: 1112c695b)

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本题目来源于试卷: Physics Unit30: Nuclear Physics and Radioactivity，类别为 Generic Physics

[单选题]
In beta decay

A. a proton is emitted.
B. a neutron is emitted.
C. an electron is emitted.
D. an electron decays into another particle.


参考答案:  C


本题详细解析: 暂无