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Mathematics 11 Online
OpenStudy (anonymous):

Can some one please help me with this question !?!? What are the first, second, and third frequencies audible from a 20 cm long organ pipe when (A) only one end is open and when (B) both ends are open. The speed of sound through the air inside the organ pipe is 343m/s. (Hint: if a harmonic does not exist, it would not be heard.)

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