题目内容
(8分)如图所示,一个油桶的底面直径与高均为d。当桶内没有油时,从某点A恰能看到桶底边缘的某点B。当桶内油的深度等于桶高的一半时,仍沿AB方向看去,恰好看到桶底上的点C,C、B两点相距d/4。求:
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121839548813.gif)
(1)油的折射率;
(2)已知光在真空中的速度为c,波长为λ0;求光在油中的速度和波长。(结果可保留根号)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121839548813.gif)
(1)油的折射率;
(2)已知光在真空中的速度为c,波长为λ0;求光在油中的速度和波长。(结果可保留根号)
(1)![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121839579312.gif)
(2)
,![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121839610528.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121839579312.gif)
(2)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121839594384.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121839610528.gif)
(1)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121839626658.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241218396411000.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121839657899.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241218396881193.gif)
(2)由
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121839719698.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121839735785.gif)
![](http://thumb2018.1010pic.com/images/loading.gif)
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