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11 May, 17:41

At what speed does the radio wave travel?

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  1. 11 May, 18:38
    0
    Radio, infrared, ultraviolet, X-rays, gamma Ray's, and light that you can see, are all electromagnetic waves, and all travel at the "speed of light".

    Exactly: 299,792,458 meters per second, in vacuum

    Easier to remember: 300,000 kilometers per second, in vacuum

    Slower in any material stuff. Depends on the substances.
  2. 11 May, 21:36
    0
    they travel the speed of light or 300,000 km per second
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