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Polarization of hydrogen atom

  1. Sep 29, 2015 #1
    1. The problem statement, all variables and given/known data
    We have a crude model for the polarization of a hydrogen atom, by approximating its 1s orbital with a uniformly charged ball of radius a. What is the (negative) charge density of the electron cloud? What is the electric field inside the cloud, at the point with radius vector r (drawn from the center of the cloud)?

    2. Relevant equations
    Equation for charge density
    Gauss' Law

    3. The attempt at a solution
    I was confused as to how to go about setting up the problem. For the charge density I was thinking simply dividing the total charge by the volume of the charged ball. For finding the electric field inside the cloud, I was considering using Gauss' law when a < r.
  2. jcsd
  3. Sep 29, 2015 #2


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    Your thinking is on track. Go for it! (Don't forget the nucleus.)
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