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No particle can exceed the speed of light in a vacuum.
Only massless particles can travel at the speed of light because as speed increases, the mass of the particle also increases, and the amount of energy it takes to accelerate it increases. As a particle (with mass) approaches the speed of light, the amount of energy needed to accelerate it approaches infinity.
There is one exception to the speed limit of the speed of light and that is the speed of a particle moving through a material medium. (For instance, glass has an index of refraction of about 1.5 which tells us that light moves through glass at a speed that is about 66% of its speed in a vacuum.) High energy particles can move through materials faster than light can move through the material. When that occurs, there is an interesting phenomenon called Cherenkov radiation. This radiation is simply light, but it results when any charged particle moves through a medium faster than light move through the same medium. (See related links.)
What else can I help you with?
What happens to the speed of light in motor oil?
As long as the light remains in the motor oil, nothing happens to its speed.
What happens when light passes into a material where the speed of light is lower?
It moves at a slower speed!
What happens to frequency does the speed of light ever change?
The speed of light IN A VACUUM is always the same. In substances other than the vacuum, the speed of light is usually slower than in a vacuum.
What happens when light passes into a material where the speed of light is faster?
-- Its speed increases. -- Its wavelength increases. -- It refracts away from the normal to the interface at the point of incidence.
What happens to the speed of the sound and the light as it enters the plastic?
Depends on the type of plastic.
What happens to the speed of light in motor oil?
As long as the light remains in the motor oil, nothing happens to its speed.
What happens when light passes into a material where the speed of light is lower?
It moves at a slower speed!
What happens to the speed of the light when it passes from air into glass?
The speed decreases.
What happens to the speed of light as it moves from water into air?
The speed increases.
What happens to the speed of light when air changes to gas?
I'm afraid nothing happens to the speed of light ever. Also "air" is consider'd a gas.
What would you see if you were on a train travelling at 2 3rds the speed of light and looked out the window whilst a train travelling at the same speed was going in the opposite direction?
You would see the other traing going by you at nearly the speed of light. This may seem counter-intuitive, but that's what happens. The speed of light is an immutable constant that does not care about your frame of reference. In the braydeon domain, nothing moves faster than the speed of light, regardless of frame of reference.
What happens when an airplane's speed is supersonic?
It is going faster than the speed of sound.
What happens when light passes through vacuum?
it travels at c (speed of light in a vacuum)
What is the speed of light and the speed of magnetism?
so Im just going to straight up say use google but also I'm going to say the speed of sound is faster than the speed of light and magnetism is was slower.
What happens to the speed of light as passes from water to air?
It increases.
What happens to frequency does the speed of light ever change?
The speed of light IN A VACUUM is always the same. In substances other than the vacuum, the speed of light is usually slower than in a vacuum.
What happens to the speed of light when it is refracted?
The speed of light decreases when it enters a denser medium and is refracted, such as water or glass. The change in speed causes the light to change direction at the boundary between the two media.
