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Light is an electromagnetic wave.

All types of electromagnetic wave travel at the same speed,
as long as they're traveling through the same stuff.

The speed is 299,792,458 meters per second in vacuum, and
somewhat slower in any material. The exact speed depends
on the material, and it's different for every material.

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Q: When will an eletromagnetic wave travel slower than the speed of light?
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Why are electrons travel at greater than speed of light in television?

They don't. Nothing can exceed the speed of light. Electrons in a television travel much slower than the speed of light.


Can electrons move slower than the speed of light?

They can ONLY move slower than the speed of light.


What do you need to travel at the speed of light?

There is no way to travel at the speed of light.


What happens when light passes into a material where the speed of light is lower?

It moves at a slower speed!


Is it possible to travel at the speed of light in water?

The speed of light in water is less than the speed of light in space. Only light can travel at the speed of light.

Related questions

Is speed of light in vacuum and medium same?

No, light in a medium will travel at a slower speed.


Why are electrons travel at greater than speed of light in television?

They don't. Nothing can exceed the speed of light. Electrons in a television travel much slower than the speed of light.


What is the speed of light in US?

The speed of light is approx 299792458 metres per second. And it does not travel any faster nor slower in the US.


Is it true that speed of light changes with medium?

Yes. The speed of light in a vacuum (or space) is 3x10^8 m/s. Light will travel slower in any other medium.


Is the speed of light slower in air or in a vacuum?

Speed of light is max. in vaccum and slower in air.


Do electrons move faster than the speed of light?

No. Because of their mass, they travel slower than c.


How far is 9000 light years?

900 billion years - if you travel near the speed of light. If you travel at any slower speed, it will take longer of course. But do some reading on time dilation - if the traveller travels at a speed very near the speed of light, from his point of view it will take much less time.900 billion years - if you travel near the speed of light. If you travel at any slower speed, it will take longer of course. But do some reading on time dilation - if the traveller travels at a speed very near the speed of light, from his point of view it will take much less time.900 billion years - if you travel near the speed of light. If you travel at any slower speed, it will take longer of course. But do some reading on time dilation - if the traveller travels at a speed very near the speed of light, from his point of view it will take much less time.900 billion years - if you travel near the speed of light. If you travel at any slower speed, it will take longer of course. But do some reading on time dilation - if the traveller travels at a speed very near the speed of light, from his point of view it will take much less time.


Through which does light travel best?

Speed of light is fastest through vacuum. Although it is only about 0.001 times slower in air.


Can electrons move slower than the speed of light?

They can ONLY move slower than the speed of light.


What is the speed of light in a brain?

slower than the speed of light


Can light travel with lower speed than light speed?

Light can certainly travel slower than its speed in vacuum ... 299,792,458 meters per second.It travels slower than that whenever it's traveling through anything other than vacuum, such as air, water, glass, jello, etc.Light slows when it travels through any material medium. In fact, the speed of light in a medium is equal to the speed of light in a vacuum divided by the index of refraction of the medium.


What is the speed of light can anything else travel closer to the speed of light?

What is the speed of light? About 300,000,000 meters per second - enough to travel all around the Earth 7.5 times in one second. Can anything travel nearly as fast? - Yes, in particle accelerators particles are regularly accelerated to over 99% of the speed of light. According to current scientific understanding: (a) it is not possible to transfer matter, energy, or information faster than the speed of light. (b) An object that regularly travels at a slower speed can't be made to travel at the speed of light - it can only approach it. (A photon, that is, a speed of light, can only travel at the speed of light.)