Sound Waves:
Like other waves, sound is also produced by vibrating bodies. Due to vibrations of bodies the air around them also vibrates and the air vibration produce sensation of sound in our ear.
For Example:
In a guitar , sound is produced due to vibration of its strings.
Our voice results from the vocal chords . Human Heart beats and vibration of other organs like lungs also produce sound waves. Doctors use stethoscope to hear sound.
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