What variable affects the natural frequency of an organ pipe?

Which of the following factors affect the natural frequency of an organ pipe?

A) Pipe Width
B) Pipe length
C) Pipe area
D) Pipe use

Answer:

Im pretty sure it's pipe length

The natural frequency of an organ pipe is primarily affected by its length. The longer the pipe, the lower the natural frequency. This means that a longer pipe will produce lower pitch sounds compared to a shorter pipe.

The other factors listed (pipe width, pipe area, and pipe use) may have some influence on the overall sound and performance of the organ pipe, but they do not directly affect the natural frequency as significantly as the pipe length does.

So, if you want to change the pitch of the sound produced by an organ pipe, adjusting the length of the pipe would be the most effective way to do so.

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