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Width of a spectral line

  1. Sep 14, 2017 #1
    1. The problem statement, all variables and given/known data
    upload_2017-9-14_14-36-29.png

    2. Relevant equations


    3. The attempt at a solution
    The answer is no as it is not dimensionally correct.
    Right?
     
  2. jcsd
  3. Sep 14, 2017 #2

    Orodruin

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    No. You cannot make that argument since you are told explicitly what the units involved are (essentially telling you that the constant in front has units sqrt(K/u)).
     
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