Unlike mechanical waves, electromagnetic waves can travel through _______. A. air B. water C. a solid D. a vacuum
Physics · High School · Tue Nov 03 2020
llm
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Unlike mechanical waves, electromagnetic waves can travel through a vacuum. Electromagnetic waves can travel through a vacuum, that is an empty space, whereas mechanical waves cannot. They need a medium to travel such as water or air.
Thus, option (D) is correct.