Electromagnetic Waves Quiz
5 Questions
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Electromagnetic Waves Quiz

Created by
@DazzlingHawkSEye

Questions and Answers

What is the equation of a plane progressive electromagnetic wave?

  • $E_n = -E_0\sin(kz - \omega t)$, $B_y = B_0\sin(kz - \omega t)$ (correct)
  • $E_n = -E_0\cos(kz + \omega t)$, $B_y = B_0\cos(kz + \omega t)$
  • $E_n = E_0\sin(kz + \omega t)$, $B_y = B_0\sin(kz + \omega t)$
  • $E_n = E_0\cos(kz - \omega t)$, $B_y = B_0\cos(kz - \omega t)$
  • What is the relationship between the frequency of an electromagnetic wave and the frequency of oscillation of charge?

  • The frequency of the electromagnetic wave is inversely proportional to the frequency of oscillation of charge.
  • The frequency of the electromagnetic wave is double the frequency of oscillation of charge.
  • The frequency of the electromagnetic wave is half the frequency of oscillation of charge.
  • The frequency of the electromagnetic wave is equal to the frequency of oscillation of charge. (correct)
  • What type of modulation uses radio waves in the range from 530kHz to 1710kHz?

  • Frequency Modulation (FM)
  • Pulse Code Modulation (PCM)
  • Amplitude Modulation (AM) (correct)
  • Phase Modulation (PM)
  • At what speed do electromagnetic waves propagate through space?

    <p>$3\times10^8$ m/s</p> Signup and view all the answers

    What vectors are perpendicular to each other and at right angles to the direction of propagation in an electromagnetic wave?

    <p>Electric and magnetic field vectors</p> Signup and view all the answers

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