A vertical tube is closed at one end and open to air at
Chapter , Problem 50(choose chapter or problem)
A vertical tube is closed at one end and open to air at the other end. The air pressure is 1.01 3 105 Pa. The tube has a length of 0.75 m. Mercury (mass density 5 13 600 kg/m3 ) is poured into it to shorten the eff ective length for standing waves. What is the absolute pressure at the bottom of the mercury column, when the fundamental frequency of the shortened, air-fi lled tube is equal to the third harmonic of the original tube?
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