Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-radio-4fcb5cc8f804

How fast do radio waves travel in a vacuum?

At the speed of light.

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  1. At the speed of light ✔
  2. At the speed of sound
  3. At the speed of a bicycle

Why: Radio waves travel at the speed of light in vacuum and slightly slower in air.

Huh, didn't know that: Radio waves travel at the speed of light in vacuum and slightly slower in air.

The dad joke
That signal was light on its feet.
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References

Answer: At the speed of light. Radio waves travel at the speed of light in vacuum and slightly slower in air.

  1. Radio en.wikipedia.org/wiki/Radio
    Radio waves travel at the speed of light in vacuum and at slightly lower velocity in air.
    Checked 2026-11-07.

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That's stuff everyone should know.