A speaker is placed at the end of a resonant tube. One end is closed and one end is open. The picture shows three lengths where the sound gets noticeably louder. The first standing wave mode is shown. Sketch the second and third standing wave modes. (For the first mode, our sketch tells us that L1= λ/4)
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.
A speaker is placed at the end of a resonant tube. One end is closed and one end is open. The picture shows three lengths where the sound gets noticeably louder.
The first standing wave mode is shown. Sketch the second and third standing wave modes.
(For the first mode, our sketch tells us that L1= λ/4)
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