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Rutherford scattering experiment

  1. Aug 2, 2012 #1
    Hi,everyone!I have a problem!As known to us all,in Rutherford scattering experiment α rays are used to bomb gold foil, and most of them pass through the gold foil.But today I read something about the characteristics of α particles,the book says that you can stop α rays with a piece of paper. However,If you can stop it with a piece of paper,how can it go
    through the gold foil! Your help would be highly appreciated.
     
  2. jcsd
  3. Aug 3, 2012 #2

    mfb

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    Staff: Mentor

    The gold foil (<1µm) is thinner than the paper (~100µm).
     
  4. Aug 5, 2012 #3
    Thank you,mfb.I get it!
     
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