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What wavelenght is expected for light composed of photons

  1. Mar 23, 2005 #1
    What wavelenght is expected for light composed of photons produced by an n= 3 to n=1 transition in a hydrogen atom?

    How do u work this out? Iam pretty confused.
     
    Last edited: Mar 23, 2005
  2. jcsd
  3. Mar 23, 2005 #2
    please help!
     
  4. Mar 24, 2005 #3

    GCT

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    You should be able to find a formula for the energy of such transitions in your text, from the energy use E=hc/lamda to find the wavelength.
     
  5. Mar 24, 2005 #4
    ok i did it and i got 8.1*10^-6 m.
    Is that right? Thanxs.
     
  6. Mar 24, 2005 #5
    Check out this link:
    http://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html

    The section that is labeled "Electron Transistions."
    This info (formula) ought to be in your text book too.
     
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