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Electron and photon wavelenght

  1. Jul 1, 2009 #1
    an electron and a photon have the same energy. at what value of energy (in eV) will the wavelength of the photon be 10 times that of the electron? ( 10.3eV)

    how to get the answer? anybody help plz
     
  2. jcsd
  3. Jul 1, 2009 #2

    berkeman

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    Staff: Mentor

    What are the relevant equations? You need to show us your work before we can be of help.
     
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