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Light moves fastest in a vacuum because there are no particles or atoms to interfere with its propagation. In other mediums, such as air or water, the particles cause scattering and absorption of the light, which slows it down. In a vacuum, there is no such interference, allowing light to travel at its maximum speed.

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1y ago

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Related Questions

What waves move the fastest?

Electromagnetic waves, such as light and radio waves, move the fastest in a vacuum at the speed of light, which is approximately 186,282 miles per second.


Why is the speed of light limited in a vacuum?

The speed of light is not limited in a vacuum - the speed of light is fastest in a vacuum. But that is what Einstein called the "Cosmic Speed Limit" - nothing can move faster than the speed of light in a vacuum, or even quite asfast.


Where does light travells fastest?

In a vacuum.


How fast can the speed of light go?

Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.


Does light travel at its slowest speed when passing through a vacuum?

No, light is at its fastest in a vacuum.


In what medium does light travel the fastest?

a vacuum, since there is nothing for the light to hit and be slowed down. just out of interest, the slowest is frozen crystaline sodium, where light travels at 38mph


Is light fastest in air or water or a vacuum and Why?

In a vacuum as there is nothing to obstruct it


What does light go through fastest?

A vacuum.


When is the speed of light the fastest?

When the light is traveling through vacuum.


Were does light travall the fastest-why?

The fastest speed of light is in a vacuum place because nothing interrupt its motion.


What does light travel faster in?

It travels fastest in a vacuum.


What type of medium does light travels fastest?

A vacuum.