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Answered 2012-12-02 22:04:18

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.

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no light does not need a medium to travel through


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.


Light can travel through vacuum, but it is not a medium.


No, apart from "spacetime". But it CAN travel through a medium such as air or glass.


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


An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.


In the medium the light travels in straight line ,its speed depend on index of refraction of the medium.


Light travels in straight lines as long as it is traveling through one uniform medium.


Yes ,....... light wave can travel through the air ... the light wave does not require any medium.


We know that a mechanical wave requires a medium through which to travel. The source puts the energy into the medium, and it propagates. A sound wave is a good example of this, and we can contrast it with an electromagnetic wave (like light). Light can travel through a vacuum; it doesn't require a medium for its propagation.


Light will travel in a vacuum. By medium I suppose you mean something such as glass. Some mediums will block light, some will allow it to pass.


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 - unless you call empty space the "medium".


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.


Sound and vibration are both mechanical vibrations of a medium, and thus demand a medium for their travel. Note- they vibrate the medium - they are not independent of the medium as is light.


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


No. Light is an example of an electromagnetic wave, which can travel through a vacuum. Mechanical waves must travel through a medium, and cannot travel through a vacuum.


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


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 .


travels through a uniform 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.