The most convincing evidence that electromagnetic waves are transverse waves is that
A)they can be polarized.
B)they carry energy through space.
C)they can travel through a material substance.
D)they do not require a physical medium for propagation.
E)all electromagnetic waves travel with the same speed through vacuum.

Question

Quizplus · Accepted Answer

The ability of electromagnetic waves to be polarized is a characteristic of transverse waves. Only transverse waves can be polarized, while longitudinal waves cannot. This provides strong evidence that electromagnetic waves are transverse waves.

The Most Convincing Evidence That Electromagnetic Waves Are Transverse Waves