ACT Science Exam Prep

Category - ACT Science

In an electromagnetic wave, an electric field exists perpendicular to a magnetic field, and both fields are perpendicular to the direction of travel of the wave. These characteristics indicate that an electromagnetic wave is which of the following wave types?
  1. Gravitational
  2. Longitudinal
  3. Mechanical
  4. Transverse
Explanation
Answer: D - Transverse
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