Question

Brief explanation about Sound.

Answer 1

We can define a sound wave as a disturbance which travels through some medium. Sound is the term to describe what is heard when soundwaves pass through a medium to the ear. All sounds are made by vibrations of molecules through which the soundtravels.

Answer 2

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Sound is a form of energy that makes us hear.
It is created through vibrations .
Sound is measured in frequency whose SI unit is Hertz (Hz) .
Human hearing power ranges between 20-20,000Hz .
Those below 20 Hz are known as infrasonic sounds and those above 20,000Hz are known as Ultrasonic sounds .

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