Natural Frequencies of oscillation

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Homework Help Overview

The discussion revolves around determining the natural frequencies of oscillation in pipes, specifically comparing a pipe that is open at both ends to one that is open at one end and closed at the other. The original poster expresses confusion regarding the relationship between the length of the pipes and the natural frequencies, mentioning terms like 2L and 4L.

Discussion Character

  • Exploratory, Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants discuss the concept of standing waves in pipes and how the wavelengths are influenced by the pipe lengths. Questions are raised about the relationship between wavelength and frequency, as well as the significance of antinodes and nodes in this context.

Discussion Status

The discussion is active, with participants seeking to clarify concepts and relationships relevant to the problem. Some guidance has been offered regarding the importance of articulating thoughts and understanding the underlying principles, although there is no explicit consensus on the next steps or solutions.

Contextual Notes

There appears to be some confusion regarding fundamental concepts such as the relationship between wavelength and frequency, as well as the definitions of antinodes and nodes. The original poster's understanding of these concepts is questioned, indicating potential gaps in knowledge that may affect their ability to solve the problem.

kreb11
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Homework Statement



What are the natural frequencies (not wavelengths) of oscillation formed in a pipe that is open at both ends and a pipe open at one end and closed at the other?

Homework Equations


The Attempt at a Solution



I don't understand this. I keep reading something about 2L and 4L.
 
Last edited by a moderator:
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You have standing waves in the pipes and the wavelength of the waves are determined by the length of the pipes. How?

You also know the relation between frequency, speed of sound and wavelength.

ehild
 
Presumably you can find the wavelengths of the modes?
What is the relationship between wavelength and frequency?
[Oh hello: ehild beat me to it.]
 
Antinodes and nodes?
 
kreb11 said:
Antinodes and nodes?
What is that supposed to mean? Can you offer up a complete thought?
 
me said:
What is the relationship between wavelength and frequency?
kreb11 said:
Antinodes and nodes?
... are you telling me that you do not know the relationship between wavelength and frequency? It's in your course notes.

If you mean something else then please try again.
Generally the more you can say about how you are thinking about the problem (in relation to the feedback you have so far) the more we can do to help you. The less you say - the less we can do. Don't worry about looking silly - we've all been there.
 

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