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# What is the speed of all electromagnetic wave?

Updated: 9/24/2023

Wiki User

9y ago

The speed of all electromagnetic waves is 299,792,458 meters per second in vacuum, and
somewhat less in any material medium. How much less depends on the specific material.

Rhett Strosin

Lvl 13
1y ago

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Q: What is the speed of all electromagnetic wave?
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### How are all electromagnetic wave alike?

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### How do you know the speed of an electromagnetic wave in a vacuum?

The speed of electromagnetic waves in a vacuum is the same as the speed of light (which is, in itself an electromagnetic wave). It can be measured by finding the frequency and wavelength of two different waves, and then by that correlation, the speed of the waveform.

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### Why does a vacuum and a electromagnetic wave travels the same speed?

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### Which light wave has the fastest speed?

All electromagnetic waves travel at the same speed in vacuum.

### What is the speed of any electromagnetic wave?

In a vacuum, any electromagnetic wave will move at the "speed of light", which is about 300,000 km/second.

### What is the fastest that an electromagnetic wave can travel?

The fastest that an electromagnetic wave can travel is 299,792,458 meters per second.That's the "speed of light" ... and all other electromagnetic radiation ... in vacuum.

### Which kind of electromagnetic wave travels fastest in a vacum?

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### How do you solve for the speed of of an electromagnetic wave?

The speed of an electromagnetic wave is 30,000 kilometers per second! So, it goes really fast.