Nuclear Energy; Effects and Uses of Radiation (id: 5c8263ce8)

本题目来源于试卷: Nuclear Energy; Effects and Uses of Radiation，类别为 IB物理学

[填空题]
In a certain town the ak rl2ld hjit/ibgqt)(5.t;t*bwnv7 )verage yearle*drn*ii+3e f7y mtk8iie9z4 y background radiation consists of 21 mrad of X-rays a yfrntid3 e iz7i489e*i *m+eknd $\gamma$ rays plus 3.0 mrad of particles having a QF of 10. How many rem will a person receive per year on the average?dose(rem) =   $ \times 10^{-2}\ \text{rem/yr}$

参考答案: 5.1±2%


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