On a pipe organ, for a closed pipe, if you double the length of the pipe, what h

Question

On a pipe organ, for a closed pipe, if you double the length of the pipe, what happens to the fundamental frequency? Doppler Effect. A police car is travelling toward you at 55 meters per second (v-source). The police siren is broadcasting at 1000 Hz (f-source). If the speed of sound (v) is 344 meters per second, what frequency (f-observed) do you hear? Power is best described as When you blow gently across the top of a particular soda bottle, it emits a tone. The column of air in the bottle is vibrating up and down in its fundamental mode. If you replace the air in the bottle with something heavier than air (like carbon dioxide) and then blow gently across the top of the bottle, it will emit If you blow across the top of a half full bottle of soda you can produce a clear tone. If you take a drink of soda to reduce the amount of liquid in the bottle and try this again the pitch (frequency) of the sound produced will Water wave A has a larger wavelength than water wave B. Which wave travels faster?

Explanation / Answer

1.)
We know ,
v = f *
f = v/

For Fundamental frequency-
= (4/1)*L

Now if the length of pipe is doubled -

n = (4/1)*2L = 2

Speed remains constant,
Therefore new freequency is ,
v = fn *n
fn = v/2
fn = f/2

(c) The new frequency is reduced by Half




Please post seperate question in seperate post.

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