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Homework Help: Zeeman Splitting, Paschen-Back Effect

  1. Apr 19, 2010 #1
    1. The problem statement, all variables and given/known data

    In a very strong applied field the sodium resonance lines is foudn to have components at 588.5 nm, 589 nm and 590.1 nm. What is the strength of the applied field?

    3. The attempt at a solution

    So I have:

    3P_(1/2) --> 3S_(1/2)


    3P_(3/2) ---> 3S_(1/2)

    Then I know, for strong magnetic fields:

    E = (m_l + 2m_s ) B μ_B

    I found the max change in (m_l + 2m_s ) to be about 2 and the change in E to be hc/∆λ and I know ∆λ is 0.8 nm :

    If I put all this into the equation I get B to be very large, which is clearly wrong..what Im I doing wrong?

  2. jcsd
  3. Apr 21, 2010 #2
    Is anyone able to help me with this question?
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