Physics, 27.01.2020 01:31 michaelgold1
Electromagnetic and mechanical waves both transfer energy. how is an electromagnetic wave different from a mechanical wave?
an electromagnetic wave has frequency, and a mechanical wave does not.
an electromagnetic wave is made of atoms, and a mechanical wave is not.
an electromagnetic wave can travel in a vacuum, and a mechanical wave cannot.
electromagnetic waves have frequencies that never change, and mechanical wave frequencies change.
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