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Equation needed

  1. Feb 14, 2007 #1
    i desperately need the equation which relates the power of a an electromagnetic wave from a source which continously emits only one photon at a time.
  2. jcsd
  3. Feb 15, 2007 #2
    [tex]\mbox{Power} = \frac{\mbox{Energy deliverd}}{\mbox{Time taken to deliver energy}}[/tex]

    Do you know the energy of these photons and the rate of their emission?
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