题目内容
氢原子处于基态时,原子的能量为E1="-13.6" eV,求:
(1)当氢原子从n=3能级跃迁到n=2的能级时,向外辐射的光子的波长是多少?
(2)若要使处于基态的氢原子电离,至少要用多大频率的光子照射氢原子?
(3)一群氢原子在n=4能级时可放出几种不同能量的光子?
(1)当氢原子从n=3能级跃迁到n=2的能级时,向外辐射的光子的波长是多少?
(2)若要使处于基态的氢原子电离,至少要用多大频率的光子照射氢原子?
(3)一群氢原子在n=4能级时可放出几种不同能量的光子?
(1)6.58×10-7 m (2)3.28×1015 Hz (3)6种
根据
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142539724794.png)
(1)由![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142539927319.png)
,得
=6.58×10-7 m
(2)要使处于基态的氢原子电离,就要使氢原子脱离原子核的束缚,
,得
3.28×1015 Hz
(3)从n=4的能级跃迁能放出光子的种类有:
种
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142539521588.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142539631779.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142539724794.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142539724794.png)
(1)由
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142539927319.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142540021710.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142540083934.png)
(2)要使处于基态的氢原子电离,就要使氢原子脱离原子核的束缚,
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142540192491.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142540754910.png)
(3)从n=4的能级跃迁能放出光子的种类有:
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142540801804.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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