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Answered 2011-03-13 04:39:36

Light waves do not require a medium through which to travel. They will travel (propagate) perfectly well in a vacuum. Otherwise, light would not pass through the vacuum of space. It would be very dark here on earth as the light from the sun, moon and stars could not reach Earth through the vacuum of space.

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There does not have to be a medium. Light does not require a medium. Mechanical waves require a mediumAnswer 2: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)


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 .


Mechanical waves require a medium (substance) to travel in, other waves do not. For example, sound is a mechanical wave and require a medium (air, water, etc.), light is not a mechanical wave and does not require a medium


Sound waves must travel through a medium, light does not require a medium. Sound waves are longitudinal waves, light are transverse waves.


Electromagnetic waves do not require a medium to travel (light, radio).


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.


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.


No. Waves that require a medium to travel in are called mechanical waves. Electromagnetic waves are not mechanical waves and do not require a medium.


Electromagnetic waves. They travel in space-time. Also, light waves dont require a medium. :) Brittany <3Luv u<3~<3~


Electromagnetic waves do not require a medium to travel. Mechanical waces like sound or ocean waves require a medium to propogate (travel).


electromagnetic waves generally don't require a medium to travel. the most commonly visible example is "light" which may be either sun's light, light from a bulb or any other source. they travel as transverse waves.


Yes. By definition, surface waves will travel at or near the surface of a medium. Only electromagnetic waves (light, radio, & etc) can travel through a vacuum.


Two waves that do not require a medium to travel would be light waves and gravitational waves. - Zach Harris, B.S. Physics


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.


No not really. Sound waves are mechanical waves. They require a medium for propagation. On the other hand, Light waves are electromagnetic and do not require a medium. Hence you cannot hear in space. AND light waves reach the earth from the sun through space- which is a vacuum!!



Vacuum is not a medium. Considering waves, mechanical waves require a medium (such as air) to travel. Electromagnetic waves (such as visible light and radio waves) do not require a medium, and are the only waves (that we know of) that can travel through a vacuum. I have heard of a gravity wave, which may be a third type of wave. I don't know much about them. These would also travel through a vacuum.


No light of any spectrum doesn't require any medium to travel through. Although it was once thought by scientists that it might travel trough an invisible ether this was disproved.


Yes. Light waves are electromagnetic waves, which do not require a medium to travel through.Mechanical waves (such as sound) do require a medium to travel through, so sound waves cannot travel through a vacuum.Space is a vacuum. The light from the stars (including our own sun) travel across a great distance in a vacuum to get to us.The accepted speed of light is its speed in a vacuum, which is 299,792,458 m/s.


Light waves can travel through empty space. You might say that the empty space is the medium in this case.


light waves are the only wave that require no medium to travel through. (hence the reason that light from the sun can reach earth, despite the lack of atmosphere). but they can travel through most things...say, air.


Mechanical waves require a medium to travel through. Examples of mechanical waves are sound waves, water waves, a vibrating string. (See related link).Electromagnetic waves (such as light, radio waves, X-rays, microwaves) do not need a medium to travel through, so these are not mechanical waves.Certain phenomena in quantum mechanics exhibit wavelike behavior, and also does not require any medium to travel.An example of a wave that is not a mechanical wave is a light wave. A mechanical wave is a wave that needs a medium to travel through. Light can travel in space, where there is no medium (no air)


Yes, but only electromagnetic waves, such as visible light or radio waves. Mechanical waves like sound require a medium to travel.


No. Proof: There's no physical medium between the sun and earth. Light waves are different from sound waves, so light waves are able to travel without matter. That's why sound can't travel in space (a vacuum) but light can travel from the sun to earth through the vacuum of space.


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.



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