Understanding Resonance in Sound Pipes: The Importance of Nodes vs. Antinodes

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In summary, the conversation discusses the concept of nodes and antinodes in a sound resonating pipe. It is explained that in a closed pipe, there needs to be a node rather than an antinode due to the difficulty for air particles to oscillate through the closed end. The conversation also touches on the difference between longitudinal and transverse waves.
  • #1
Winner
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Ok, I don't understand why in a sound resonating pipe, that the in the closed end there needs to be a node and not antinode. Why?
 
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  • #2
IIRC, you want to look at the reflected wave.
 
  • #3
huh? Can you elaborate?
 
  • #4
Sorry, my mistake, I was thinking of a transverse wave, not a longitudinal wave.


Recall that nodes are where the particles do not oscilate about their rest position... does that help?
 
  • #5
Right. I get that. But what would it make a difference if i had a anti-node instead on a closed pipe?
 
  • #6
Well, it's kind of difficult for air particles to oscillate through the pipe...
 
  • #7
wait. Ok imagine the pipe, it has a plunger and an open side on the opposite end. Why would air particles have trouble? It is coming from the open side or the anti-node side.
 
  • #8
When I said through, I meant through the closed end.
 

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