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All colours of light, as well as all other forms of electromagnetic radiation such as radio,
X-rays, microwaves, heat, gamma rays, television, ultraviolet light, cellular telephone
signals, Bluetooth waves, weather satellite and GPS waves, and the spectrally shifted
light from distant stars and galaxies, all travel through vacuum at precisely the same
speed. The speed is
299,792,458 meters (186,282 miles) per second .
Wiki User
∙ 12y ago
Wiki User
∙ 14y agoAll light, regardless of of color, frequency, intensity, etc, travels at exactly 299,792,458 m / s in a vacuum.
Wiki User
∙ 9y agoEvery form of electromagnetic radiation does.
All electromagnetic radiations.
Wiki User
∙ 9y agoEvery form of electromagnetic radiation does.
Wiki User
∙ 14y agoAll electromagnetic waves regardless of their wavelengths, including
all colors of light, have the same identical speed in a vacuum.
Wiki User
∙ 7y agoThe speed of light in a vacuum is exactly 299,792,458 meters per second. Note that this is exact, because the meter is currently defined on the basis of the speed of light.
Wiki User
∙ 7y ago299,792,458 metres per second.
Wiki User
∙ 13y agoElectromagnetic radiation.
Wiki User
∙ 9y agoAll electromagnetic radiations.
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What is speed does light travel?
Light travels at a speed of 186,000 miles per second, in a vacuum.
Why does light travel faster in empty spaces?
Light travels faster (up to the speed of light) in a vacuum, which is empty space. Light travels slower through a medium (matter).
Does light slow down when it travels through matter?
Light slows down when it travels through matter.The only time light travels at is maximum speed, c, is in a vacuum.
Light travels faster in?
light travels faster in vacuum.
When is the only time that the light waves travel at the speed of light?
Light always travels at the speed of light. The only time that's 299,792,458 meters per second is when the light is in vacuum.
What happens when light passes through vacuum?
it travels at c (speed of light in a vacuum)
What is the speed in which light travels?
In vacuum it travels at 299,792,458 metres per second.
In which medium is the speed of light a maximum?
Light travels fastest in a vacuum.
Does light travels slowest through space?
As the medium through which light propagates in space is closes to a vacuum, light propagates very well in space. However, it travels at the same speed as it would on earth, as light travels at 299,792,458m/s in a vacuum, regardless of where that vacuum is located. the light travels in same speed whether it travels in space or earth.
What is speed does light travel?
Light travels at a speed of 186,000 miles per second, in a vacuum.
Why is it important to explain the speed of light together with the medium in which the light travels?
The speed of light is dependent on the medium it travels through. Light travels fastest in a vacuum than in water or air.
What travels at a speed of light?
All electromagnetic waves in a vacuum.
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.
Light travels at a rate of?
299,792,458 meters per second in vacuum
Which factors affect the velocity of light?
The speed of light in a vacuum is constant. Otherwise, the speed of light will depend on what materials it travels through. For example, the speed of light in air is similar to the speed of light in a vacuum; in water, it is quite a bit slower.
Can light exceed its normal speed while refracting?
If you mean "normal speed" to be the speed at which light travels in a vacuum, then no. Anything that differs from light moving through a vacuum slows the light down to a certain extent.
What is the ratio of speed of light in a vacuum to the speed of sound in air?
In a rough, round figure? 930,000 to 1. Sound travels roughly 1/5 of a mile per second in air. Light travels 186,000 miles per second in a vacuum. In five seconds sound travels one mile. In five seconds, light travels 930,000 miles in a vacuum.
