题目内容
氢原子能级如图,当氢原子从n=3跃迁到n=2的能级时,辐射光的波长为656nm。以下判断正确的是 。(双选,填正确答案标号)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250049131452780.png)
a.氢原子从n=2跃迁到n=1的能级时,辐射光的波长大于656nm
b.用波长为325nm的光照射,可使氢原子从n=1跃迁到n=2能级
c.一群处于n=3能级上的氢原子向低能级跃迁时最多产生3种谱线
d.用波长为633nm的光照射,不能使氢原子从n=2跃迁到n=3的能级
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250049131452780.png)
a.氢原子从n=2跃迁到n=1的能级时,辐射光的波长大于656nm
b.用波长为325nm的光照射,可使氢原子从n=1跃迁到n=2能级
c.一群处于n=3能级上的氢原子向低能级跃迁时最多产生3种谱线
d.用波长为633nm的光照射,不能使氢原子从n=2跃迁到n=3的能级
cd
试题分析:由于n=3与n=2间的能量差为
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004913176869.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004913176896.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004913192844.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004913239723.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004913254609.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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