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]
97.25: Originally there arenchkd5/.kd 13d st+c ,0btr- s:yn qhf N atoms of an unstable isotope. After 2-,czu 1 yt anamqm5;ids))3np0 minutes, only 1/16 of )na5mmpi;) n cqys a-u3, zd1tthem have not decayed. What is the half life of the isotope?
A. 10 minutes
B. 5 minutes
C. 4 minutes
D. 2 minutes
E. 1 minute
参考答案: B
本题详细解析:
暂无
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