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Answered 2012-04-26 10:52:20

light waves do not need a medium.

Electromagnetic Waves (EM) do not need a medium. For example visible light, radio waves, microwaves, UV light and x-rays do not. These travel @ 300 million meters/sec in a vacuum.

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Related Questions


Mechanical waves need a medium to travel in


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


Sound waves need a medium in order to propogate. Light waves can travel without a medium. The speed of light is 3*108m/s.


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


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


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 .



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.


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!


no they do not, they can travel through vacuums and do not need particles to travel as sound waves do. radio waves are transverse waves whereas sound waves are not


Mechanical waves.For example, sound waves, ocean waves, etc.Many waves need a medium to travel: sound waves, water waves, and seismic waves.Electromagnetic waves do not need a medium.


Mechanical waves such as sound and vibration require a medium in which to travel. Electromagnetic waves such as radio and light need no transmission medium.


All types of waves need a medium in order to propagate, with the exceptions of electromagnetic waves and gravitational waves.


Electromagnetic waves, as well as gravitational waves.


Electromagnetic waves do not need a medium in which to travel. They move "best" through a perfect vacuum.


any wave of energy except for electromagnetic waves need a medium to travel through.


Electromagnetic waves don't need anything to travel. This kind of waves does not need a medium to move through, therefore they can even travel through outer space.


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.


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


light waves or electromagnetic waves are transverse and sound waves are longitudinalElectromagnetic waves can be both transverse and longitudinal waves. Transverse waves are like ocean waves. They move the medium perpendicular to the medium which is the substance the wave is traveling on. Longitudinal waves are like a slinky. They compress and rarefact (The coils get close and move away). Longitudinal waves move the medium parallel to the energy.Electromagnetic waves don't need a medium to travel. They can travel on the medium but they don't need a medium to travel through.Mechanical waves need a medium to travel. They can't travel without one.That is why in starwars when the deathstar blows up and your whole room shakes when it does isn't possible because in space there isn't any air! Sound is a mechanical wave, since there isn't any medium there can't be any sound. If you yell in space nothing would happen because there isn't a medium for the sound waves to travel on. You can see light in space because light is an example of an electromagnetic wave which doesn't need a medium to travel.Cranberryhead. :)



Yes, but only EM waves don't.


electomagnetic waves are transverse waves... electromagnetic waves do not need any medium to travel


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.



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