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Bats and High Frequencies

  1. Apr 22, 2009 #1
    1. The problem statement, all variables and given/known data
    Why can animals such as bats, that have tiny, light-weight ear parts, hear sounds with much higher frequencies than humans can hear?


    2. Relevant equations
    written response




    3. The attempt at a solution
    Waves with low frequencies are smaller than those with high, so they can therefore move the small parts of the bats ear?
     
  2. jcsd
  3. Apr 22, 2009 #2
    What do you mean by "smaller"? I'm guessing you mean amplitude... which relates to loudness, not pitch.

    Hint: perhaps think about why a wineglass might be susceptible to breaking at certain frequencies.
     
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