What is sound?what it's si unit of sound?
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Sound is the term to describe what is heard when sound waves pass through a medium to the ear. All sounds are made by vibrations of molecules through which the sound travels. For instance, when a drum or a cymbal is struck, the object vibrates. These vibrations make air molecules move.
si unit of sound is decibel
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Answer:
sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid
Si unit of sound is decibel.
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