题目内容
一群处于基态的氢原子受某种单色光照射时,只能发射甲、乙、丙三种单色光,其中甲光的波长最短,丙光的波长最长,则甲、丙这两种单色光的光子能量之比E甲:E丙等于( )
A.3︰2 | B.6︰1 | C.32︰5 | D.9︰4 |
C
试题分析:因发出三种单色光,波长最短的甲光应是由n=3的能级跃迁到n=1的能级发出的.波长最长的丙光应是由n=3的能级跃迁到n=2的能级发出的,所以E甲=E3-E1=
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824210736758493.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824210737663449.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824210738474409.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824210736758493.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824210740284493.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824210741391445.png)
点评:本题难度较小,在原子跃迁时,能极差以光子的形式向外释放
![](http://thumb2018.1010pic.com/images/loading.gif)
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