Sound waves can't travel through?

Answer 1

A vacuum. Unlike light, sound waves can only travel through some medium. Any object whose particles are able to vibrate is capable of acting as a medium for sound waves. But a vacuum, i.e., empty space, lacks such particles. Hence the famous tagline, "In space no one can hear you scream."

Answer 2

Sound waves can't travel through a vacuum.

It's generally accepted that sound waves can't travel through space. however space is not a perfect vacuum. Even in the most desperately empty parts of space there are a few atoms per cubic metre, usually there are many more. From memory I think there are usually a few atoms per cubic centimeter.

In theory then, very low frequency sound waves should be able to propagate through space. I'm not sure what the cutoff frequency would be but I suspect that sound waves with a wavelength of several miles should propagate. I don't know what the rate of attenuation would be. Perhaps this is a field for investigation. Any boffins out there in accoustics or statistical mechanics who can answer this?

Answer 3

Sound waves cannot travel through space or just a vaccume in general. All sound is, is a series of pressure waves through a medium. Sound in order to travel requires a medium. For example, air is the most commonly heard of medium. Without a medium such as air, there can not be any pressure waves and since there isn't any air in space (space is a vaccume), there is not sound.

Answer 4

sound waves can only travel through matter!
therefore they cannot travel through a vaccum or space!
Hope this helps!

Answer 5

space

Answer 6

space thats why no one can hear you scream in space.