what is sound ?

define sound .

Sound is a form of energy that travels through air or any other medium as vibration and can be heard when it reaches a person's or animal's ear. Sound waves are mechanical waves.

Example: When you hit a table with your hand vibration is produced in the table as well as your hand and this vibration propagates through air and reaches our ears and we hear the sound.

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 Sound is a travelling wave that is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencieswithin the range of hearing and of a level sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.[1]

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sound is the energy which gives us the sensation of hearing.

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Sound is a form of energy which produces sensation of hearing.

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Sound is a vibration that is capable of being heard.Easy???????

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Sound is a feeble form of energy. It is a travelling wave. It can pass through solid, liquid, gas. It needs medium to travel.

Can you give thumbs up for my answer please! 

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Sound is a form of energy which is done with the help of vibration.

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Sound is a phenomenon through which vibration is produced.

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ya thats right sound is an phenomenon but how dose we here sound

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the ear drum senses the vibration of sound and sends signals to the brain thatz how we get to know that we heard something

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Sound helps to communicate with one another , it travels from one point to another in the form of wave . it is also defined as sensation of hearing.

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