Question

Which of the following is true about sound waves?

A. they are electromagnetic waves
B. they are mechanical waves
C. they can move through the vacuum of space
D. they move matter

Answer 1

Explanation:

A sound wave transports its energy by means of particle interaction. A sound wave cannot travel through a vacuum. This makes sound a mechanical wave. ... FALSE - Only electromagnetic waves can travel through a vacuum; mechanical waves such as sound waves require a particle-interaction to transport their energy.

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Answer 2

FALSE - Only electromagnetic waves can travel through a vacuum; mechanical waves such as sound waves require a particle-interaction to transport their energy.

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