Physics Unit31: Nuclear Energy and Radiation (id: 2e0b3dc70)

本题目来源于试卷: Physics Unit31: Nuclear Energy and Radiation，类别为 国际高中通用物理

[单选题]
A chain reaction can occ/c0i dxdb;e i(u 1nlpz ecq+/(65zup cxvj/b a1r

A. in any uranium core.
B. when critical mass is reached.
C. in the center of the Sun.
D. when the coolant is too hot.


参考答案:  B


本题详细解析: 暂无

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