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2014-06-10T13:53:59+05:30
Sound wave experiment

1 5 1
No, write the expeiment
firstly, u need a metal spoon and 30 inches of kite string. secondly you tie the handle of spoon at the mid point of the stirng. after that wrap the ends of the string around ur pointer fingure. then place ur fingers in ur ears. lean over so that spoon hangs freely and swing the spoon so it taps against a door. hit the door again and again u can hear the spoon's sound like a bell. its becuse of spoon's vibration and the variations in amplitude
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