Which of the following waves requires a material medium for its propagation?

By: |Published on: Mar 23|Categories: Physics WAEC| 0 comments

A. Radio waves
B. Light waves
C. Sound waves
D. X-rays

Correct Answer:

Option C = Sound waves

Explanation

– Electromagnetic waves are waves that have no medium to travel whereas mechanical waves need a medium for its transmission.

– sound wave is an example of a mechanical wave. Sound waves are incapable of traveling through a vacuum.

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