Electromagnetic waves can transfer energy without a(n) _____________ (medium/electric field).

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asked Aug 20, 2017 139k views

4 votes

Electromagnetic waves can transfer energy without a(n) _____________ (medium/electric field).

Physics
high-school

Keith Davidson asked

by Keith Davidson

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Medium.
Medium is matter, and electromagnetic waves do not need matter to travel. Just like the sun, its plasma light travels across space to reach us.

Jong Shin answered Aug 26, 2017

by Jong Shin

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