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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