Question

a spoon can sound like a bell how its science prove i

Answer 1

yes
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A spoon can sound like a bell
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As they are made up of metals the can produce sound as metals are sonorous 

you can prove this by hitting the spoon to an other metal surface it produce the same type of sound which bell produces and metals are sonorous which is the property of the metal to produce a sound and as spoons are also  metals they will produce the same sound as that of the bell