Half-life and decay constant (id: ac388f09d)

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]
95.22: A radioactive element has a half-lif) 8 jgdnr2j)0zl o/ntye of 4.0 hours. Approximau *l4mv knt:n 5*ydhm-tely how much of the radioactive element will m*h5t y vlmd-kn:n* u4remain after 12.0 hours?

A. 1/16
B. 1/8
C. 1/6
D. 1/4
E. 1/3


参考答案:  B


本题详细解析: 暂无

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