Nuclear Physics and Radioactivity (id: 5cf2fd29c)

本题目来源于试卷: Nuclear Physics and Radioactivity，类别为 IB物理学

[填空题]
Determine the activities of 2ki-nm1 mj)ui *cdbesa 4j9z4(a) 1.p,e(h+5q:(au d dgccqpwhmv*h,r 0z5 g: wv2u0 g of $_{92}^{235}\text{U}\ (T_{1/2}=7.04 \times 10^8\ \text{yr})$ $/lambda N$ =    $\times 10^{15}\ \text{decays/s}$
(b) 1.0 g of $_{92}^{238}\text{U}\ (T_{1/2}=4.47 \times 10^9\ \text{yr})$. $/lambda N$ =    $ \times 10^{4}\ \text{decays/s}$

参考答案:
空格1: 4.57 ±2%  空格2: 1.24±2% 


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