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For example if you put a speaker outside a spacecraft could you hear the music from 50 feet away? Does sound need air to disperse ? My uncertainty comes from the fact that a speaker produces the sounds by moving the air...

2007-01-05 22:53:50 · 8 answers · asked by dj.raven 1 in Science & Mathematics Physics

Then theoretically if you would surround and cover a room in double layer glass that has a void space of about 1-2mm between its layers would you perfectly seal the noise from inside to the exterior ?

2007-01-05 23:04:42 · update #1

8 answers

Yes, 1 - 2 mm of void with eliminate sound, if you can get a perfect vacuum and elmininate any vibrations that would travel through the foundation of the room.

2007-01-05 23:30:01 · answer #1 · answered by ? 6 · 0 0

Sound must have a medium in which to travel. Assuming that space is a perfect vacuum...no, sound will not travel through it. You can simulate this in a lab by putting a battery operated radio in a bell jar and pumping out the air. You will hear the sound from the radio fade down very low to nothing at all, IF you have a good vacuum pump and a good seal on the bell jar.

2007-01-06 06:59:42 · answer #2 · answered by Anonymous · 0 0

sound is an example of longitudinal waves. longitudinal waves require a medium to travel through. sound depends on vibrations of air particles. some scientist (can't remember the name) tried out an experiment where he put an alarm clock inside a bell shaped glass jar and covered it. he then sucked out all the air from inside the glass jar so a vacuum was created. the alarm went off inside the glass jar but no one could hear it because there were no air particles inside the glass jar that could carry the vibrations made by the alarm clock to the outside.

2007-01-06 08:27:28 · answer #3 · answered by amandac 3 · 0 0

Sound waves, unlike electromagnetic waves, require a medium in which to travel.

You would not hear the music the void of space.

2007-01-06 06:56:11 · answer #4 · answered by gebobs 6 · 1 0

no, because sounds are produced by air vibrations, and space is like a huge vacuum that sucks up air so it wouldn't produce any sound

2007-01-06 06:58:50 · answer #5 · answered by Judi M 2 · 0 0

Sound will not travel through a vacuum.

As the trailer for "Aliens" said: In space, nobody can hear you scream.

2007-01-06 06:57:27 · answer #6 · answered by Anonymous · 0 0

NO...sound waves dont travel thru' vacuum or void space.
It requires a medium like what we have....AIR.

2007-01-06 06:58:35 · answer #7 · answered by cosmos 2 · 0 0

No, but radio waves can.

2007-01-06 06:59:14 · answer #8 · answered by Kevin F 4 · 0 0

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