本题目来源于试卷: Physics Unit32: Elementary Particles，类别为 通用国际物理
[单选题]
One reason a photon could not create an o u-piy./l 3gefdd number of ele( )6 l(5d0gvko:ffo .ott0w-n q mhh 6m2luubxctrons and positrons is that such a process wo- )o6(( .5x:f06 tbkwllutuvmhon2 dqhom fg 0uld
A. not conserve charge.
B. not conserve energy.
C. require photon energies that are not attainable.
D. result in the creation of mass.
参考答案: A
本题详细解析:
暂无
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