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Backscattering of Beta Particles

  1. Sep 28, 2011 #1
    Im doing experiment about change in backscattering intensity of beta particles.
    I want to ask questions about it...
    1) Is it true tat the count reading from GM tube = backscattering intensity??
    2) In order to find the percentage of backscatter, I need to compare my result with the standard value given??
    3) How do I find the saturation of counts from the graph if I use the count rate and thickness of material?? Is the saturation of counts = the gradient of the graph??
    4) If the backscatter material is very thick, the reading will reach very high? Because there are alot of beta particles rebound back from the thick layer of the material??
     
  2. jcsd
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