Air is blown at the mouth of a tube (length 25 cm and diameter 3 cm) closed at one end. Velocity of sound is 330 m,/s. The sound which is produced willcorrespond to the frequencies

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330 Hz

combination of frequencies 390, 660, Sg0, 1320,1650 Hz

combination of frequencies 330, 99O, 1650, 2370 Hz

combination of frequencies 300, 900, 1500, 2L00 Hz

answer is C.

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Detailed Solution

In case of closed pipen1=V4l=3304Ã0â25=330Hz n2=3V4l=3Ã3304Ã0â25=990Hz n3=5n1=1650Hz n4=7n1=2310Hz

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