Snell's Law Optics Quiz
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Questions and Answers

What is the relationship described by Snell's law?

  • The relationship between the speed of light and the angle of refraction
  • The relationship between the wavelength and frequency of light
  • The relationship between the angles of incidence and refraction (correct)
  • The relationship between the intensity of light and the angle of incidence

    • What does the ratio of the sines of angle of incidence and angle of refraction equal to in Snell's law?

  • The refractive index of the first medium with regard to the second
  • The speed of light in the first medium
  • The wavelength of light in the second medium
  • The refractive index of the second medium with regard to the first (correct)

    • What principle does the law of refraction follow from?

  • Einstein's theory of relativity
  • Maxwell's equations of electromagnetism
  • Newton's law of universal gravitation
  • Fermat's principle of least time (correct)

    • In which type of materials can the law of refraction be satisfied for light to be bent 'backward' at a negative angle of refraction?

    <p>Meta-materials</p> Signup and view all the answers

    What is the law of refraction used for in ray tracing in optics?

    <p>To compute the angles of incidence or refraction</p> Signup and view all the answers

    What is the ratio of the sines of angle of incidence and angle of refraction equal to in Snell's law?

    <p>$n_{21}$</p> Signup and view all the answers

    What principle does the law of refraction follow from?

    <p>Fermat's principle of least time</p> Signup and view all the answers

    In which type of materials can the law of refraction be satisfied for light to be bent 'backward' at a negative angle of refraction?

    <p>Meta-materials</p> Signup and view all the answers

    What is the law of refraction used for in ray tracing in optics?

    <p>To compute the angles of incidence or refraction</p> Signup and view all the answers

    What does the refractive index of the second medium with regard to the first equal to in Snell's law?

    <p>The ratio of the refractive indices of the two media</p> Signup and view all the answers

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