本题目来源于试卷: Physics Unit30: Nuclear Physics and Radioactivity，类别为 通用国际物理
[单选题]
The half-life of radioactive iodine-137 is 8.0 days. How m-5 p0z.z8tlc4zc8ml gxvkuvezhz;7* any pvy fvz1we o6,9t+1;gmg-w95otwvp 4zvd 7 jw iodine nuclei are necessary74zo5y v w1pv m+1evwdop 9;t zt6g,9wg-vwfj to produce an activity of $1.0 \; \mu Ci$?
A. $2.9 \times 10^{9}$
B. $4.6 \times 10^{9}$
C. $3.7 \times 10^{10}$
D. $7.6 \times 10^{12}$
参考答案: C
本题详细解析:
暂无
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