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The speed of UV light in a vacuum is the same as visible light, infrared light, radio waves, x-rays, gamma rays, etc.: 299,792,458 m/s. All light in a vacuum has the same speed and it is constant, that's one of the basis of Einstein's relativity and is why the famous equation E=mc^2 works, c being the speed of light in a vacuum.

Also, it can be proven that not just light, but anyparticle with no mass has to travel at the speed of light.

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13y ago
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14y ago

The ratio is 1. Their speeds are equal. Both move at the speed of all forms of electromagnetic
radiation, including radio, visible light, heat, X-rays, cosmic rays, etc.

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11y ago

299,792.458 kilometers per second in vacuum.

(Same as any other example of electromagnetic radiation.)

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13y ago

All electromagnetic radiation, of which ultraviolet is a part, travels at the speed of light, about 3 x 108 m/s.

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14y ago

The speed of light, c

approx 3*108 ms-1

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13y ago

all light is radiation and all radiation travels at the same speed.that is the speed of light

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11y ago

All em waves have a velocity of 3.0 X 108 in a vacuum.

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15y ago

The speed of UV light is the same as all electromagnetic waves: 3 X 108 m/s.

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13y ago

They both have the same speed.

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Q: What is the ratio of speed of infrared rays and ultraviolet rays in vacuum?
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What speed in a vacuum ultraviolet or infrared?

c.All electromagnetic radiation travels at the same speed in a vacuum; it is labelled c.


What travels faster ultraviolet waves or infrared waves in space?

They both travel at the same speed, the speed of light


What moves faster an x ray or a microwave?

All electromagnetic waves move at the same speed, at least in vacuum. X-rays and microwaves ... as well as radio, infrared, ultraviolet, heat, and visible light ... are all electromagnetic waves, and travel at the same speed.


Which travels faster in a vacuum - gamma rays or infrared rays?

In a vacuum, they both travel the exact same speed, the speed of light. IIRC that's about 3x108 meters per second.


Which light travels faster in an optical fiber - ultraviolet or infrared?

Neither. All electromagnetic radiation (light) travels at a constant speed through whatever medium it encounters. Light in a vacuum, for instance, is about 186,282 miles per second; whereas in a fiber optic cable it chugs along at only 115,000 miles per second.*What distinguishes ultraviolet from infrared is the amount of energy associated with it, reflected in its frequency. Assuming that a particular cable is transparent to both forms of radiation (which may or may not actually be the case, as another name for infrared radiation is heat) it is likely that the ultraviolet energy would travel farther before its signal would need to be reboosted.*The speed of light through a medium is proportional to its index of refraction. The index of refraction of fiber optic cable is about 1.62; this means that light travels through it only about 60% as fast as it does through outer space.

Related questions

What speed in a vacuum ultraviolet or infrared?

c.All electromagnetic radiation travels at the same speed in a vacuum; it is labelled c.


What is the speed of a x-ray?

The speed of X-ray in vacuum is the same as the speed of radio, microwave, light, heat, infrared, and ultraviolet: 299,792,458 meters (186,282 miles) per second.


In a vacuum the speed of ultraviolet radiation is faster than the speed of light?

no


What travels faster ultraviolet waves or infrared waves in space?

They both travel at the same speed, the speed of light


How many times greater is the speed of infrared light than the speed of violet light in vacuum wavelength of the violet light is around 400nm and wavelength of infrared is 800nm?

It isn't. The velocity of both is the same at about 2.998x108m/s. A change in wavelength is associated with a change in frequency not velocity. The frequency of Ultraviolet light is about 750 PHz (Peta Hertz) while that of infrared half that at 375PHz.


What moves faster an x ray or a microwave?

All electromagnetic waves move at the same speed, at least in vacuum. X-rays and microwaves ... as well as radio, infrared, ultraviolet, heat, and visible light ... are all electromagnetic waves, and travel at the same speed.


How does the speed of infrared radiation compare with the speed of x rays when both speeds are measured in a vacuum?

They are the same.


Ratio of the speed of light in a vacuum to the speed of light in a material?

The index of refraction.


What term is used to describe the collection that includes gamma rays x-rays ultraviolet light visible light infrared radiation and radio waves?

All travel at the same speed through a vacuum


The ratio of the speed of light in a medium to the speed of light in a vacuum is called its?

It is usually expressed the other way: the ratio of the speed of light in a vacuum to the speed of light in a medium. In that case, it is called the "index of refraction".


Do ultraviolet waves travel at the speed of light in a vacuum?

Ultraviolet and visible light waves all travel at the same speed whenever they're all traveling through the same material.


Why is infrared light faster than ultraviolet light?

That would be a very difficult "why" to explain, because it doesn't. All light travels at the same speed in the same medium. In vacuum, it's the speed we call "The Speed of Light". Shockingly, it's the same as the speed of radio, TV, radiant heat, X-rays, gamma rays, WiFi, and microwaves.