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Stimulated emission/Ne-He-laser

  1. Oct 21, 2012 #1
    1. The problem statement, all variables and given/known data
    Here's simplified energy level diagram of Ne-He-laser. Calculate the corresponding wavelengths of
    a, b, and c.

    2. Relevant equations
    ΔE=hf=hc/λ


    3. The attempt at a solution
    λ=ch/ΔE gives wrong answer.
     

    Attached Files:

  2. jcsd
  3. Oct 21, 2012 #2
    Anyone?
     
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