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 Aaptiniumg ve-j)mb wd3 u ;j0bp3zm4t)q decays via alpha-eminm u6;n .cir .-n *szmtvwt4f;ssion into Physicsbowlium. The decay constanv4 c mtf -6mui*s wtr;z.nn;n.t for this alpha-emission 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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