Questions
A pipe of length 85 cm is closed from one end. Find the number of possible natural oscillations of air column in the pipe whose frequencies lie below 1250Hz. The velocity of sound in air is 340 m/s.
detailed solution
Correct option is D
2P+1=12.5it is in between 11th and 13th harmonic13th harmonic13th harmonic is not possilbe number of resonances = 6[1,3,5,7,9,11]Talk to our academic expert!
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A cylindrical tube, open at both ends has fundamental frequency ‘f’ in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of the air column is now
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