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Do photoelectric effect suggest that the emission of energy by an atom be quantized

  1. Apr 13, 2008 #1
    1. The problem statement, all variables and given/known data

    Do photoelectric effect suggest that the emission of energy by an atom be quantized

    2. Relevant equations



    3. The attempt at a solution

    I think it is true as photoelectric effect told us that atom emitt energy in terms of electron.
     
  2. jcsd
  3. Apr 13, 2008 #2

    rock.freak667

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    Not sure since the photoelectric effect occurs when EM radiation is incident on a metal only.

    But if you consider the energy levels in atoms, an electron will only be sent to a higher energy level if it absorbs EM energy equal to the difference in the n=0 level to another.

    [itex]E_1-E_2=hf[/itex]

    So, if EM radiation of a known frequency is incident on an atom and hf is equal to that difference, then the electron will move to a higher energy state.
     
    Last edited: Apr 13, 2008
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