Which question would best identify a wave as being electromagnetic?
A.
Does it travel through matter?
B.
Does it travel through a vacuum?
C.
Does it travel due to a disturbance?
D.
Does it travel using vibrating particles?
D. Does it travel using vibrating particles?
aaggghhhh
an electromagnetic wave (light, radio, ..... ) (photons) will travel through a vacuum such as the space between sun and earth. B