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Bohr model hydrogen potential energy

  1. May 31, 2009 #1
    1. The problem statement, all variables and given/known data
    How do you find the potential energy of the hydrogen atom in n=11 state using
    Bohr model? express in eV


    2. Relevant equations
    I used U= -kZe^2/r


    3. The attempt at a solution

    =-8.99e9(1.6e-19)^2/5.29e^-11
    =4.35e^-18J / 1.6e^-19
    =-27.2eV
     
  2. jcsd
  3. Jun 1, 2009 #2

    Redbelly98

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    You have used r for the ground state (n=1), and have found the potential energy of the ground state.

    You'll need to use r for the n=11 state.
     
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