At TTT = 18 ∘C, how long must an open organ pipe be to have a fundamental frequency of 294 Hz ? The speed of sound in air is v≈(331+0.60T)m/s, where T is the temperature in ∘C If this pipe is filled with helium at 20∘C and 1 atm, what is its fundamental frequency? The speed of sound in helium is 1005 m/s
Interference of sound
Seiche
A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.
At TTT = 18 ∘C, how long must an open organ pipe be to have a fundamental frequency of 294 Hz ? The speed of sound in air is v≈(331+0.60T)m/s, where T is the temperature in ∘C
If this pipe is filled with helium at 20∘C and 1 atm, what is its fundamental frequency? The speed of sound in helium is 1005 m/s
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