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Answered 2010-04-22 20:05:13

no light does not need a medium to travel through

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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.


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.


no, it travels through space without any medium


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


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.


Light waves do not need a medium to propagate. Sound waves cannot travel without a medium. Light waves always travel at the speed of light that is 3*108m/s.


how can we say light does not need light to travel


radio waves do not need a medium to travel through.


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.


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.


It doesn't need a medium to travel through.


no sound is a wave that must travel through a medium (air, for example). electromagnetic waves (light, for example) does not need a medium to travel through.


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 .



Yes. Light is a self-propagating wave that does not need a medium to flow. Thus, light has the ability to travel through a vacuum.



An electromagnetic wave does not need a medium through which to travel. This includes light, radio, TV, X-4ay, etc. The wave contains its own medium which is a photon.


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


Light. electromagnetic waves. **but be careful. Light is also a particle AND a wave. The light particle is called a photon, and although it always travels at the same speed (the speed of light) it can have different wavelengths. This is why we still see light from the Sun and stars. There is no medium in space, but since light does not need a medium to travel through, light can be observed still from great distances in the universe.


they both need something like a medium to travel through (matter) however a light wave can travel through a vacuum.


Electromagnetic waves such as light and radio waves may travel through free space. That is how we get the warmth and light from our Sun. Pressure waves need a distinct medium in which to travel - in which to generate their pressure. Sound waves would be an example, whough weather patterns also need a medium. Vibration waves such as sound may also travel through a solid.


False, mechanical waves need a medium to travel through. Electromagnetic waves, such as visible light, don't.


Yes, light can travel in space. Light is an electromagnetic wave, and it doesn't need a medium to travel through. A medium is matter that mechanical waves use to travel. And of course, the sun is in space, and the light from it gets to us. In fact, it takes about 7 to 8 minutes for it to get here from the sun.


a wave. Electromagnetic waves (such as light or radio waves) do not need a medium to travel through. Mechanical waves (such as sound waves) require a medium (matter) to travel through.