题目内容
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824171518134301.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824171518134301.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824171518134301.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824171518134301.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824171518134301.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241715207234314.jpg)
A. h(v4-v1) | B.hv6 |
C.hv3 | D.hv4 |
C
试题分析:μ子吸收能量后从n=2能级跃迁到较高m能级,然后从m能级向较低能级跃迁,若从m能级向低能级跃迁时如果直接跃迁到基态n=1能级,则辐射的能量最大, 否则跃迁到其它较低的激发态时μ子仍不稳定,将继续向基态和更低的激发态跃迁,即1、2、3…m任意两个轨道之间都可以产生一种频率的辐射光,故总共可以产生的辐射光子的种类为
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824171520755983.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824171521160424.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824171521394437.png)
故选C.
点评:本题需要同学们理解μ子吸收能量后从较低能级跃迁到较高能级,而较高能级不稳定会自发的向较低能级跃迁,只有跃迁到基态后才能稳定,故辐射光子的种类为
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824171521581462.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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