题目内容
现有三个核反应,下列说法正确的是( )
①
②
③![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824134554745863.png)
①
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824134554636977.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241345546831304.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824134554745863.png)
A.①是裂变、②是![]() | B.①是聚变、②是裂变、③是![]() |
C.①是![]() | D.①是![]() |
C
①反应产生
即
射线,故为
衰变反应。②核反应时铀核在中子的轰击后产生两块质量差不多的碎块,即为重核裂变反应。③反应是两个轻核结合成一个质量较大的核,所以为聚变反应。故选C
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824134555120365.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824134554823339.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824134554823339.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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