davislily6 davislily6
  • 02-03-2017
  • Physics
contestada

true or false? All waves need a medium in order to travel

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Аноним Аноним
  • 02-03-2017
That is false because electromagnetic waves can travel without a medium.

hope this helps :)


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AL2006
AL2006 AL2006
  • 02-03-2017
That's false.  Mechanical waves (like sound and ocean waves) do
need a medium to travel in, but electromagnetic waves (like radio
and light) don't.
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