Nuclear Energy; Effects and Uses of Radiation (id: 5d734055d)

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]
A dose of 4.0 Sv of i4:+calj w;wq l, .y,uy sb8xlfz jcu9nchgkf:y7kis0 ( j/.t57k )zm$\gamma$ rays in a short period would be lethal to about half the people subjected to it. How many grays is this?    $Gy$

参考答案: 4.0±2%


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