Question

What is a sound ?

Answer 1

QUESTION:

What is Sound ?

ANSWER:

• Sound is a wave or vibration that travels to the three states of matter solid, liquid and gas , of course it something that can be heard.

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• It all starts with a mechanical movement like clapping your hands , heating a gong , there's some movement that cause vibration in the molecules which that causes other molecules around them to vibrate.

NOTE: Any sound with a frequency below 20HZ is called INFRASOUND and any sound with a frequency above 20,000HZ is known as ULTRASOUND.

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Answer 2

It’s a frequency that comes from something