bottle. sound by blowing across the top

mercredi 2 juillet 2014

sound created by blowing accross the top of the bottle produces sound due to standing waves created on air inside the bottle.



why blowing inside the bottle does not produce sound but only across?



how vibrations created on air inside the bottle propagate in space as they are separated from outside by the walls of bottle? or the walls of bottle start to vibrate?



thank you





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