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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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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