Figure 2
An EM wave, such as light, is a transverse wave. The electric and magnetic fields are perpendicular to the direction of propagation.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Polarization. January 13, 2013."
http://cnx.org/content/m42522/latest/
OpenStax CNX
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