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The Special Theory of Relativity (id: 797ce1fab)

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admin 发表于 5 天前 | 显示全部楼层 |阅读模式
本题目来源于试卷: The Special Theory of Relativity,类别为 IB物理学

[填空题]
What minimum amount of electromagnetic energy is needed to produce anetd,l55ho lh 1 el9 3ghm 9;n wlgkqh4w 1wob-(ztectron and a positron together? A positron is a particle with the same rest mass aw1(3g9-;mbwhg49hkqn lw o tzs an electron, but has the opposite charge. (Note that electric charge is conserved in this process.) E =    MeV




参考答案: 1.02±2%


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