A.康普顿效应B.光电效应C.电子对生成D.电离E.激发当能量大于1.02MeV的γ光子从原子核附近穿过时,可能产生一个正负电子对,而...

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问题 A.康普顿效应 B.光电效应 C.电子对生成 D.电离 E.激发 当能量大于1.02MeV的γ光子从原子核附近穿过时,可能产生一个正负电子对,而光子本身消失。
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答案 C
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