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A problem about solid spectrum

  1. Dec 12, 2006 #1
    Why solid send out comtinuous spectrum when it is heat.
    Last edited: Dec 13, 2006
  2. jcsd
  3. Dec 13, 2006 #2


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    Because the vibration spectrum (phonons) for a typical solid that is responsible for the IR radiation is continuous.

  4. Dec 15, 2006 #3
    Thank you,ZapperZ!
    Last edited: Dec 15, 2006
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