试题与答案

在匀强磁场中有一个原来静止的碳14原子核,它放射出的粒子与反冲核的径迹是两个相内

题型:选择题

题目:

在匀强磁场中有一个原来静止的碳14原子核,它放射出的粒子与反冲核的径迹是两个相内切的圆,如图所示.那么碳14的衰变方程为(  )

A.+

B.+

C.+

D.+

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D解析:审核——为获得审核证据并对其进行客观的评价,以确定满足审核准则的程度所进行的系统的、独立的并形成文件的过程。

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