An open organ pipe is 0.66 m long. Part A If the speed of sound is 340 m/s, what

Question

An open organ pipe is 0.66 m long.

Part A

If the speed of sound is 340 m/s, what is the pipe's fundamental frequency?

Express your answer using two significant figures.

Incorrect; Try Again; no points deducted

Part B

What are the frequencies of the first two overtones?

Express your answers using two significant figures separated by a comma.

An open organ pipe is 0.66 m long.

Part A

If the speed of sound is 340 m/s, what is the pipe's fundamental frequency?

Express your answer using two significant figures.

f1 =   Hz  

Incorrect; Try Again; no points deducted

Part B

What are the frequencies of the first two overtones?

Express your answers using two significant figures separated by a comma.

f2, f3 =   Hz  

Explanation / Answer

Given,

L = 0.66 m ; v = 340 m/s

A)We know that

f = v/2L

f = 340/2 x 0.66 = 257.58 Hz

Hence, f = 257.58 Hz

b)f1 = 2f = 2 x 257.58 = 515.16 Hz

f2 = 3f = 3 x 257.58 = 772.74 Hz

Hence, f1,f2 = 515.15 Hz, 772.74 Hz

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