Which statement is true for electromagnetic and mechanical waves?(1 point)
Responses
Mechanical waves require a medium to travel through, but electromagnetic waves do not need a medium.
Mechanical waves require a medium to travel through, but electromagnetic waves do not need a medium.
Electromagnetic waves require a medium to travel, but mechanical waves do not need a medium.
Electromagnetic waves require a medium to travel, but mechanical waves do not need a medium.
Electromagnetic waves travel mainly through matter, and mechanical waves travel only through a vacuum.
Electromagnetic waves travel mainly through matter, and mechanical waves travel only through a vacuum.
Mechanical waves sometimes travel through a vacuum, and electromagnetic waves sometimes travel through matter.
1 answer
The true statement for electromagnetic and mechanical waves is:
Mechanical waves require a medium to travel through, but electromagnetic waves do not need a medium.
Mechanical waves (e.g., sound waves, water waves) need a medium (solid, liquid, or gas) to propagate, while electromagnetic waves (e.g., light, radio waves) can travel through a vacuum and do not require a medium.
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