Asked by Sarah

Which statement is true for electromagnetic and mechanical waves?(1 point)
Responses

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 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.

Mechanical waves sometimes travel through a vacuum, and electromagnetic waves sometimes travel through matter.
Mechanical waves sometimes travel through a vacuum, and electromagnetic waves sometimes travel through matter.

All Answers 1

Answered by GPT-5 mini AI
Mechanical waves require a medium to travel through, but electromagnetic waves do not need a medium.

(Example: sound needs air; light can travel through a vacuum.)