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Answered 2009-04-18 05:35:34

No. Not just light waves but all forms of Electro Magnetic Radiation (EMR) are able to travel through vacuums. e.g gamma rays, radio waves, x-rays, etc.

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light; all waves in the EM(electromagnetic) spectrum, including visible light, do not need a medium to travel in


no light does not need a medium to travel through


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.


how can we say light does not need light to travel



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


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.


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


Light travels in a vacuum as waves of photons. They do not need a medium in which to travel.


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


Unlike sound waves, which require a medium to travel, radio waves are electromagnetic waves requiring no medium. Visible light is an electromagnetic wave and needs no medium; comprised of photon particles, they travel in a vacuum much like a baseball would, although massless.


no, it travels through space without any 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.


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


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.


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.


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 to travel in


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.


transverse waves- the medium vibrates up and down, example- visible light, gamma and xrays. compression/longitudinal- move back and forth and need a medium to travel in. example- slinky.


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.


No, light doesn't need a physical medium, like air, to travel. As a matter of fact, light travels the fastest it possibly can, 2.98 * 10^8 meters per second, in a vacuum, like space. If light couldn't travel without a medium, then Earth wouldn't receive any light from the Sun.


It doesn't need a medium to travel through.


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.