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How Fast Do Radio Waves Travel Through The Air?

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    Radio waves travel at the speed of light, same as all electromagnetic waves.  The speed is about 300 million metres per second.

    I seem to remember being taught in high school physics that radio waves only travelled at 200 million m/s, but can't find anything to back that up.
    4 1

    Madbiker 

    answered 3 years ago

    Does it stay the same regardless of the frequency?
    Report
    Amore01

    Amore01

    commented 2 years ago

    amore01, yes, the speed is the same regardless of frequency.
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    Madbiker

    Madbiker

    commented 2 years ago

    http://www.chemistry.adelaide.edu.au/external/soc-rel/content/em-rad.h
    tm
    when not in a vacuum, frequency is significant
    Radio waves travel fastest in a vacuum
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    Hibrida

    Hibrida

    commented 2 years ago

    + 3 Comments

      2.9979x10^8 m/s
      2 0
      Guest

      Guest 

      answered 8 months ago

        Mwave am and short wave
        transmitter
        0 1
        Guest

        Guest 

        answered 4 months ago

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