Physics

Darrell Young

6 December, 02:34

Electromagnetic and mechanical waves both transfer energy. How is an electromagnetic wave different from a mechanical wave?

Question 4 options:

a. An electromagnetic wave has frequency, and a mechanical wave does not.

b. An electromagnetic wave is made of atoms, and a mechanical wave is not.

c. An electromagnetic wave can travel in a vacuum, and a mechanical wave cannot.

d. Electromagnetic waves have frequencies that never change, and mechanical wave frequencies change.