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I Blackbody and gas molecule speed graphs look similar. Why?

  1. Feb 11, 2017 #1
    The graphs of intensity versus wavelength of blackbody radiation and of number of molecules versus speed in a gas look very similar to me. Is this just a coincidence? They seem like quite different phenomena.
  2. jcsd
  3. Feb 11, 2017 #2
    the similarity is that both have a peak....max value.
    many physical properties show this behaviour but they are different things and it would be unusual to find a relationship between such different physical phenomena.
    eg current through resistance against frequency in an LCR circuit
  4. Feb 11, 2017 #3
    Hmm . . I was hoping for some thermodynamic connection related to the equipartition of energy. Thanks for the feedback.
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