Which two statements are true of electromagnetic waves?
DA. They do not need a medium to transfer energy.
DB. They travel by causing particles of matter to vibrate.
C. They need a medium to transfer energy.
DD. They transfer energy by disturbing electric and magnetic felds.

Question

05-01-2021
Physics

Answered

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Which two statements are true of electromagnetic waves?
DA. They do not need a medium to transfer energy.
DB. They travel by causing particles of matter to vibrate.
C. They need a medium to transfer energy.
DD. They transfer energy by disturbing electric and magnetic felds.

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