What are the source of sound?

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Solution

A sound wave can be defined as a vibration that propagates as an audible wave of pressure, through a medium such as a gas, liquid, or solid.
Sound waves are longitudinal waves.
It needs a medium to travel.
The direction of particle vibrational propagation in sound waves is parallel to the direction of energy wave propagation.
The speed of sound is the rate at which sound waves move through a medium.
A sound is a vibration that travels as a mechanical wave across a medium.
The sources of sound are:
6.1 Acoustic instruments: In guitar, strings attached are made to vibrate thus producing so
6.2 Vocal cords of humans vibrate to produce sound through air.
6.3 Electrical instruments

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