Test Your Understanding of Electromagnetic Waves
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Questions and Answers

Which of the following statements is true about the direction of the electric and magnetic fields in an electromagnetic wave?

  • The electric and magnetic fields are random
  • The electric and magnetic fields are at a 45-degree angle to each other
  • The electric and magnetic fields are perpendicular to each other (correct)
  • The electric and magnetic fields are parallel to each other

    • What type of wave is an electromagnetic wave?

  • Transverse wave (correct)
  • Circular wave
  • Longitudinal wave
  • Standing wave

    • Why can an electromagnetic wave travel through empty space?

  • Because it travels through the EM field (correct)
  • Because it is a transverse wave
  • Because it is a longitudinal wave
  • Because it is a mechanical wave

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