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in Physics by (64.1k points)

An open organ pipe has a fundamental frequency of 300 Hz. The first overtone of this organ pipe is same as the first overtone of a closed organ pipe. The length of the closed organ pipe is (assume velocity of sound in air as 330 m/s) ................... cm

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 If  l1 and  l2 are lengths of open and closed organ pipes then

(i)  first overtone of organ pipe 2v/2l1,

(ii)  first overtone of closed pipe 3v/4l2

(iii) Fundamental frequency of open organ pipe = v/2l1 = 300

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