Physics Unit30: Nuclear Physics and Radioactivity (id: cfe35c9e4)

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Post time 2024-1-22 01:01:29 | Show all posts |Read mode

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

[单选题]
A $b+$ particle is also known as

A. an electron.
B. a positron.
C. a helium nucleus.
D. a photon.

参考答案: B

本题详细解析: 暂无

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