本题目来源于试卷: Half-life and decay constant，类别为 美国物理杯赛(Physics Bowl)
[单选题]
A hypothetical radioactive substance Au7 1)cx uitd 8c,rzpz4aptinium decays vi7jmg(bq eo* j2w-ra:a7o . xqh/3twzaa alpha-emission into Physicsbowlium. The decay constant for this alpha-.xghzo/w(ea27jw o -*qrmq atb:a7 3jemission is 20 $s^{-1}$.
12.42 What is the half-life of Aaptinium?
A. 0.035 s
B. 0.050s
C. 0.100 s
D. 0.297 s
E. 0.693 s
参考答案: A
本题详细解析:
暂无
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