题目内容
氢原子能级图的一部分如图所示,a、b、c分别表示氢原子在不同能级之间的三种跃迁途径,设在a、b、c三种跃迁过程中,放出光子的能量和波长分别是Ea、Eb、Ec和λa、λb、λc,则关系正确的是
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241655432803886.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241655432803886.jpg)
A.λb=λa+λc? | B.![]() | C.λb=λa·λc? | D.![]() |
BD
试题分析:根据氢原子能级跃迁规律可得:
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824165543483491.png)
根据玻尔理论可知:
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824165543888713.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824165544044739.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824165544232686.png)
故可得
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824165543280714.png)
点评:关键是知道释放的能量
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824165543483491.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824165545012622.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.λb=λa+λc? | B.![]() | C.λb=λa·λc? | D.![]() |