题目内容
氢原子的能级图如图所示,一群原来处于
能级的氢原子跃迁到
能级的过程中( )
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250021156743249.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002115596388.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002115612357.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250021156743249.jpg)
A.放出三种频率不同的光子 |
B.放出六种频率不同的光子 |
C.放出的光子的最大能量为12.75eV,最小能量是10.20eV |
D.放出的光能够使逸出功为13eV的金属发生光电效应 |
B
试题分析: 根据数学组合公式
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002115690506.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002115705795.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002115721779.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002115737967.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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