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Acoustic standing waves with an open far end

  1. Mar 21, 2014 #1
    My textbook says
    I'm confused by this, because isn't a standing wave caused by reflection of the waves once it has hit the end of the tube and reflects backwards. How can sound waves be reflected from the open air? Thank you for taking the time to answer. :)
     
  2. jcsd
  3. Mar 21, 2014 #2

    Simon Bridge

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