Did you notice that for some sounds, the tones seemed extremely loud while others sound quite hard to hear? Does the spectrum analyser SL Intensity results agree with your perceived level of sound intensity? Explain

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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.