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Unclear on the definitions

  1. Aug 13, 2005 #1
    I know how to solve this type of question, but I don't understand the defintion of a term in it...

    "Assume that a certain 660-Hz tuning fork can be considered as a harmonic oscillator whose vibrational energy is 0.04 J. Compare the energy quanta of this tuning fork with those of an atomic osillator that emits and absorbs orange light whose frequency is 5.00*10^14 Hz."

    What does the vibrational energy have to do with comparing the energy quanta?

    Isn't E=hr enough?
     
  2. jcsd
  3. Aug 13, 2005 #2
    Have a look at this.
     
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