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 average yearly background radiation cobzzc) 8i-5m qcnsists ou x,lzb6(ec ;9tbfg; zf 21 mrad ofgb(zt,lx c6u;b; e9fz X-rays and $\gamma$ 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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