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Hydrogen Atom

  1. Nov 17, 2009 #1
    1. The problem statement, all variables and given/known data

    When a hydrogen atom undergoes a transition from the n=2 state to the n=1 level, a photon
    with [tex]\lambda[/tex]=122nm is emitted.

    a)If the atom is modeled as an electron in a one-dimensional box, what is the width of the box in order for the n=2 to n=1 transition to correspond to emission of a photon of this energy?


    2. Relevant equations

    3. The attempt at a solution

    Do not know what equations to use to solve this problem
     
  2. jcsd
  3. Nov 17, 2009 #2

    kuruman

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    Homework Helper
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    What is the expression that gives the energies of a particle in a one-dimensional box? Start from there. Match the energy difference from n =2 to n = 1 to the energy of the 122 nm photon.
     
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