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Sound needs a medium to travel?

Updated: 8/10/2023
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12y ago

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Yes. Sound requires a medium to travel in.

It is comprised of pressure waves (a mechanical phenomenon). Sound requires something to compress and rarefy (a medium). Sound pressure, or acoustic pressure, is the local pressure deviation from the ambient (average, or equilibrium) atmospheric pressure.

Sound pressure can be measured using a microphone in air and a hydrophone in water. The SI unit for sound pressure is the pascal (symbol: Pa). The effective sound pressure is the root mean square of the instantaneous sound pressure over a given interval of time (or space). Sound can't travel in a vacuum because it lacks the necessary medium.

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Janessa Nikolaus

Lvl 10
2y ago
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13y ago

Yes. Sound requires a medium to travel in.

It is comprised of pressure waves (a mechanical phenomenon). Sound requires something to compress and rarefy (a medium). Sound pressure, or acoustic pressure, is the local pressure deviation from the ambient (average, or equilibrium) atmospheric pressure.

Sound pressure can be measured using a microphone in air and a hydrophone in water. The SI unit for sound pressure is the pascal (symbol: Pa). The effective sound pressure is the root mean square of the instantaneous sound pressure over a given interval of time (or space). Sound can't travel in a vacuum because it lacks the necessary medium.

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11y ago

Yes.
Yes, sound waves do require a medium to travel through.
Yes.

They are pressure waves - and they need something (medium) to compress and rarefy.
Yes. Sound waves are compression waves. If there's no medium, there's nothing there to compress!

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11y ago

Because sound is produced by the vibration of particles. Generally, these particles are air molecules. Without air, there are no particles and hence no vibrations. Hence, sound will not be produced.

Thus for sound to be propagated there must be a medium.

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12y ago

Yes, if we lived in a vacuum we would never hear sounds like we do now. Also, depending on the medium, it changes the sound by either slowing down or accelerating the sound wave

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Related questions

Why can't sound travel through a medium?

It Can it needs a medium to travel


Does sound travel in vaccum?

Sound needs a medium through which to travel. It will not travel in a vacuum.


What is mechaincal energy?

The form of energy that needs a medium to travel is known as mechanical energy.For example sound needs a medium to travel,that's why sound can't travel in vacuum,light needs no medium to travel it is non mechanical form of energy.


Where does sound not propagate?

sound needs a material medium to travel. Sound can travel by compression and rarefactions.attma


Where do sound waves cannot travel?

it can't travel in a vacuum, it needs medium to travel


Sound will NOT travel through?

Sound needs a matter based medium, so it will not travel through vacuum.


Which of the following sound not travel through?

Sound will not travel through a vacuum as it needs a medium which will allow vibrations.


What waves needs a medium to travel through?

Sound Wave


What does sound travel as in a medium?

It needs particles, so Air, Liquid or Solid to travel. so the medium is any particles, so if there is no particles, sound cannot travel.


Why can't sound travel easily through some materials?

Sound needs a medium to travel. It cannot travel through a vaccum.


Why are sound waves not considered a mechanical wave?

Mechanical waves are waves that require a medium in which to travel, i.e., a solid or fluid. As sound needs a medium to travel, sound is a mechanical wave.


Does light need a medium through which to travel?

No, it does not. It can travel through any open space. Sound, unlike light, needs a medium to travel. So light can travel through outer space but sound cannot because there is no medium.