Mastering the Principles of Refraction
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Questions and Answers

Which of the following waves can experience refraction?

  • Light waves
  • Sound waves
  • Water waves
  • All of the above (correct)

    • What determines how much a wave is refracted?

  • The change in wave speed
  • The initial direction of wave propagation
  • Both the change in wave speed and the initial direction of wave propagation (correct)
  • None of the above

    • What does Snell's law state?

  • The ratio of the secants of the angle of incidence and angle of refraction is equal to the ratio of phase velocities in the two media
  • The ratio of the cosines of the angle of incidence and angle of refraction is equal to the ratio of phase velocities in the two media
  • The ratio of the sines of the angle of incidence and angle of refraction is equal to the ratio of phase velocities in the two media (correct)
  • The ratio of the tangents of the angle of incidence and angle of refraction is equal to the ratio of phase velocities in the two media

    • What does the refractive index represent?

    <p>The ratio of the speed of light in a vacuum to the speed of light in the medium</p> Signup and view all the answers

    What can cause the redirection of a wave during refraction?

    <p>Both the wave's change in speed and a change in the medium</p> Signup and view all the answers

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