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The speed of light is always the same as long as it's traveling through the same

medium. But its speed is different in different media, and those are all less than

its speed in vacuum.

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Geoffrey Huels

Lvl 13
3y ago

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Related Questions

Does light always travel at the same speed in all mediums?

No, light does not always travel at the same speed in all mediums. Its speed can vary depending on the medium it is passing through.


What happens to speed of light when they travel through a vacuum?

In a vacuum, light always travels at the same speed, about 300 000 kilometers per second.


Will your head lights work at the speed of light?

Hypothetically, yes. The speed of light is relative to the observer, so no matter how fast one is traveling, light always appears to travel at the same speed.


IS electromagnetic waves travel faster than speed of light?

Electromagnetic waves are, by definition, light. So they travel at the exact same speed as light.Also, a "Do" would be appropriate here, instead of an "IS".


Does red light travel faster than blue light?

No. All colors travel at the same speed. It is called "the speed of light".


Is speed of light in vacuum and medium same?

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


What is it that all electromagnetic waves do the same?

All electromagnetic waves travel at the speed of light in a vacuum and can be characterized by their wavelength and frequency.


Does the color of a laser affect the velocity?

Light always travels at the same speed, the speed of light. At least in vacuum. In a medium light will travel at a slower pace, and the speed decrease is dependent on the color (wavelength) of the light. This is because the refractive index (which determines how fast light can travel through a medium) is color dependent.


Does light in air travel faster than radiation from microwave oven?

No, both light in air and radiation from a microwave oven travel at the speed of light in a vacuum, which is approximately 299,792 kilometers per second. Therefore, they both travel at the same speed.


Is infrared light faster than microwave light?

Both infrared and microwave light travel at the speed of light in a vacuum, which is about 299,792 kilometers per second. Therefore, they both travel at the same speed.


How can light and sound travel at a same time in televisions?

They don't really travel at the same speed, but, on television, the distance they travel is so short, that the difference between the speed of sound and the speed of light is almost non-existant.


How does the speed of visible light compare with the speed of gamma ray?

Both visible light and gamma rays travel at the speed of light in a vacuum, which is approximately 299,792 kilometers per second (or about 186,282 miles per second). Thus, there is no difference in the speed at which visible light and gamma rays travel.