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Physics

# Why does there have to be a medium for waves to travel through?

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###### 2014-05-19 16:19:20

There does not have to be a medium. Light does not require a medium. Mechanical waves require a medium

Not all waves require a medium for their transmission. Mechanical waves require a medium for their transmission because it is the molecules of the medium which cause the wave to propagate. However, electromagnetic waves do NOT require a medium. (for example light)

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## Related Questions

Mechanical waves, such as sound waves travel through a medium. They cannot travel through a vacuum.

Waves need not require medium to travel through. Only Mechanical waves like sound waves require medium to travel through. Electromagnetic waves travel in vaccum like light waves. Some waves transmitted in a medium due to disturbances in the medium .

radio waves do not need a medium to travel through.

Some waves called mechanical waves e.g sound need a medium to travel through while electromagnetic waves need no medium to travel through e.g light

Sound waves travel through any medium with the exception of vacuum. The denser the medium, the faster the sound waves travel, because the waves can be farther apart..

a medium. but longitudinal waves do not have to travel through a medium. This is why transverse waves cannot vibrate through space.a medium. but longitudinal waves do not have to travel through a medium. This is why transverse waves cannot vibrate through space.

Electromagnetic waves can travel through any medium as they are non- mechanical waves. They can also travel through vacuum.

Sound waves need a medium to travel through - the medium may be solid, liquid, or gaseous. Electromagnetic waves (including light) can also travel through empty space.

Yes, mechanical waves do need a medium in order to travel. Other waves, such as light, do not (thus they can travel through space).

A material medium through which the mechanical waves could travel. Air is a material medium though which sound waves, mechanical waves, can easily pass through.

P waves can travel through solids, liquids, and gases.

No, only surface and mechanical waves need a medium, compressional waves can travel through space. (Such as light from the Sun).I think light (EM) waves are the only ones that can travel through a vacuum. Sound waves require a medium.

there are no waves that can travel without a medium, that why waves don't exsist in space.

radio waves do not require a medium to travel,it can even travel through vaccum

No, they are Electromagnetic waves and can travel through a vacuum. They do not need a medium.

Mechanical waves need a medium substance to travel through. Electromagnetic do not.

Light waves, like all electromagnetic waves, travel without a medium, so they can travel through empty space. Sound waves, on the other hand, do require a medium to travel or propagate; therefore, they can not travel through empty space.

Electromagnetic Waves can travel through space without any material medium.

Sound waves travel through any medium with the exception of vacuum. The denser the medium, the faster the sound waves travel, because the waves can be farther apart..

Seismic, or earthquake waves travel through the earth. They may travel through our crust, which is rocky, or through the more fluid parts, like the mantle, but the medium is the earth.

No. They are two different types of waves. Mechanical waves require a medium, such as air, to travel through. Electromagnetic waves do not need a medium to travel through.

Ultrasound waves are high frequency sound waves. As such they are pressure (longitudinal) waves and require a medium through which to travel.Therefore they will not travel through a vacuum.

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