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1st Harmonic63

  1. Jan 21, 2007 #1
    1. The problem statement, all variables and given/known data
    a 512HZ tuning fork held over a bottle recieves its 1st harmonic when the level of water is 17cm from the bottle opening. what is the temp of the air


    2. Relevant equations
    sound equation


    3. The attempt at a solution
    I have no idea where to start.
     
  2. jcsd
  3. Jan 21, 2007 #2

    Kurdt

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    Do you know an equation that relates the speed of a wave to the wavelength and frequency?
     
  4. Jan 21, 2007 #3
    wavelength

    is 17cm the wave length
     
  5. Jan 21, 2007 #4

    Kurdt

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    What do you know about thewavelength of the fundamental frequency of a closed pipe?
     
  6. Jan 21, 2007 #5
    not much all i know is that there's some kind of pattern
     
  7. Jan 22, 2007 #6

    Kurdt

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    for a pipe closed at one end the fundamental frequency has a wavelength 4 times the pipe length.
     
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