Why do pipes of different size and length make different sounds?

In summary, longer pipes have a lower sound due to their longer wavelength and larger pipes produce louder sounds due to their increased space for sound waves. The material of the pipe can also affect the sound produced, and holes or openings on the sides of pipes can change the pitch. The length and size of a pipe can be used to create specific musical notes, which is utilized in wind instruments and organs.
  • #1
ecanescence-fan
4
0

Homework Statement



Can someone please tell me simply why pipes of different size and length make different sounds?

Homework Equations





The Attempt at a Solution

 
Physics news on Phys.org
  • #2
You need to review the concept of "fundamental frequency" (as opposed to harmonic).
 
  • #3


Pipes of different size and length make different sounds because the size and length of a pipe directly affects the frequency and wavelength of the sound produced. When air is blown into the pipe, it vibrates at a certain frequency based on the size and length of the pipe. This frequency determines the pitch of the sound produced.

For example, a shorter pipe will produce a higher frequency and a higher pitch sound, while a longer pipe will produce a lower frequency and a lower pitch sound. This is because the shorter pipe has a shorter wavelength, meaning the vibrations occur more frequently, while the longer pipe has a longer wavelength, meaning the vibrations occur less frequently.

Additionally, the size of the pipe also affects the sound produced. A wider pipe will have a larger volume of air, resulting in a louder sound, while a narrower pipe will have a smaller volume of air, resulting in a quieter sound.

In summary, the size and length of a pipe directly impact the frequency, wavelength, and volume of the sound produced, resulting in different sounds being produced by pipes of different sizes and lengths.
 

1. Why do longer pipes make lower sounds than shorter pipes?

Longer pipes have a longer wavelength, which means that it takes longer for a full sound wave to travel through the pipe. This results in a lower frequency and therefore a lower pitch sound.

2. Why do pipes with larger diameters produce louder sounds?

Pipes with larger diameters have more space for the sound waves to travel through, resulting in a larger amplitude (or volume) of the sound produced.

3. How does the material of the pipe affect the sound it produces?

The material of the pipe can affect the density and stiffness, which in turn affects the speed of sound waves traveling through it. This can result in subtle differences in the tone and quality of the sound produced.

4. Why do some pipes have holes or openings on the sides?

The holes or openings on the sides of pipes allow for air to escape, which can change the pitch of the sound produced. This is often used in wind instruments to create different notes and sounds.

5. Can the length and size of a pipe be used to create specific musical notes?

Yes, the length and size of a pipe can be specifically designed to produce certain musical notes. This is the principle behind wind instruments and organ pipes, where the length and size of each pipe is carefully calculated to create a specific range of notes.

Similar threads

  • Classical Physics
Replies
5
Views
2K
  • Introductory Physics Homework Help
Replies
6
Views
802
Replies
3
Views
229
  • Mechanical Engineering
Replies
15
Views
812
Replies
13
Views
2K
Replies
13
Views
2K
  • Introductory Physics Homework Help
2
Replies
43
Views
2K
  • Mechanical Engineering
Replies
20
Views
7K
Replies
25
Views
2K
  • Classical Physics
Replies
1
Views
2K
Back
Top