Physics Unit31: Nuclear Energy and Radiation (id: d53b91dfe)

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本题目来源于试卷: Physics Unit31: Nuclear Energy and Radiation，类别为 Generic Physics

[单选题]
A nuclear reaction is said to be exo(/ay9y8 pjt5oav 4kg/hmj22yx/qf oarw6/ sqtherh,th:or-dq2 unbny- *:q.murmic if the total kinetic energy is

A. less after the reaction than before.
B. equal both before and after the reaction.
C. greater after the reaction than before.
D. zero after the reaction.


参考答案:  C


本题详细解析: 暂无