Xray slit

[alaguraj...@gmail.com]

Hi,

I have a question about what is happening in this video at 00:00:01 -

http://www.youtube.com/watch?v=BMgcO9xrldM#t=1s.

Why we are use particularly Be atom for Xray path way?.

Thanks!

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Reference Key - Key('StudentQuestionEntity', 5972710134906880, namespace='ns_noc21_cy33')

[Angshuman Roy Choudhury]

A thin window made up of elemental Be do not absorb X-rays and allows passage of 100% of the beam that is generated inside the X-ray tube. Any other metal/element would absorb X-rays to some extent and hence cannot be used.