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What You Need:
Yes spoon sounds like a bell. To prove this we have to perform an experiment.for this we need a Metal spoon, 30 inches of kite string.
Tie the handle of the spoon at the midpoint of the string.
Wrap the ends of the string around your index fingers 
Place your fingers in your ears.
Lean over so that spoon hangs freely and swing the spoon so it taps against a door.
Hit the door again, this time harder.and you can hear it as a bell 
When a piece of metal is struck with something hard,a ringing sound is produced. this property of metals is known as sonorosity and metals are said to be sonorous. thats why when a spoon is struck it sounds like a bell