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and why do we hear the sound?

2007-01-07 02:18:36 · 9 answers · asked by Chris91 2 in Science & Mathematics Physics

9 answers

it was never "made" it was always there.

how sound works, thats different.

the air you breath is not, nothing, it can move, so when something creates vibrations, like your vocal cords, it sends vibrations through the air, and comes into your ears, wich your ear drums pick up the vibrations and send a signal to your brain and your brain interprets it.

sound can travel in anything (matter) it can travel in gasses, liquids, solids, probably plasma too, but it does not travel in a vacuum.

so if you could see the vibrations it would look like little waves comming at you, or away, or even bouncing off you

2007-01-07 02:26:58 · answer #1 · answered by Anonymous · 0 2

Sound is a transverse wave type (the only one) that is actually created by vibrating objects at an audible frequency in air. Since this is a mechanical form of energy transfer then our ear drums vibrate at the smae frequency of the vibrating air and transmitts the reception to the brain which interprets the different sounds. We can only hear vibrations of certain frequencies from the range of 50-10,000 Hz varying slightly with different people.

2007-01-07 03:10:26 · answer #2 · answered by Olly 2 · 0 1

Sound was not made, it is a way of decoding vibrations in the air. Vibrations in the air travel through the air as a wave. When these vibrations reach the ear they vibrate the inner ear, causing electrical stimulation in the brain. The different vibrations are interpreted as this concept we know as sound. However, sound itself is simply vibrations. We cannot decode all vibrations(too high or too low are outsided of the brains ability to decode), Ultrasound is an example of this.

2007-01-07 02:53:30 · answer #3 · answered by ? 2 · 0 1

sound is created if something causing a medium like air to compress or decompress in some way.
(look at a bass-loudspeaker of a stereo)
this compression and decompression propagates as a soundwave and reaches you ear, where it moves your eardrum
within the ear the eardrum translates the eardrums movement in electrical signals what you then notice as ...'sound'

for having sound you need a 'transporting material' like air, or water (space does not work).
the soundwaves travel approximatly 1000km/h in air often described to be 'the speed of sound'

2007-01-07 02:39:54 · answer #4 · answered by blondnirvana 5 · 0 0

Sound was not made. Sound are waves just as is light. We see light, we hear sound - same things, just different mechanisms. Sound depends on wave length.

2007-01-07 02:22:24 · answer #5 · answered by John R 4 · 0 1

sound is mechanical pressure waves in an elastic media such as air. We hear sound because of special nerve cells in our inner ears which have a direct nerve connection into our brains

2007-01-07 04:28:53 · answer #6 · answered by walter_b_marvin 5 · 0 1

Sound is formed by wavicles. Sound is waves, that depend on wavelength, period, and amplitude. It's just a thing of airwaves and it's frequency, I believe!

2007-01-07 02:27:43 · answer #7 · answered by Anonymous · 0 1

Any thing that collides make a sound. except light which doesnot collide since it has repulsive characteristics.

2007-01-07 02:48:23 · answer #8 · answered by goring 6 · 0 1

vibration.
When vibrates, it creates waves and passes through the air, all the way to your ear

2007-01-07 04:20:51 · answer #9 · answered by Anonymous · 0 1

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