Refraction at Plane Surfaces Quiz
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Questions and Answers

What is refraction?

  • The reflection of light from a surface.
  • The bending of light as it passes obliquely from one optical medium to another of different refractive index. (correct)
  • The absorption of light by a medium.
  • The scattering of light in a medium.

    • How many pre-requisites are required for refraction to occur?

  • 2
  • 3 (correct)
  • 4
  • 1

    • What is the refractive index?

  • The frequency of light in a medium.
  • The ratio of the velocity of light in a given pair of media. (correct)
  • The angle of light incidence.
  • The speed of light in a vacuum.

    • What is the absolute refractive index?

    <p>The ratio of the velocity of light in vacuum to the velocity of light in another medium.</p> Signup and view all the answers

    What are the two types of refractive index?

    <p>Absolute Refractive Index and Relative Refractive Index</p> Signup and view all the answers

    What is the absolute refractive index?

    <p>The ratio of the velocity of light in vacuum to the velocity of light in another medium.</p> Signup and view all the answers

    What are the pre-requisites for refraction to occur?

    <p>There must be light and the light must strike the surface obliquely.</p> Signup and view all the answers

    What is the refractive index of a medium with respect to vacuum?

    <p>Absolute refractive index</p> Signup and view all the answers

    What is the relative refractive index?

    <p>The ratio of the velocity of light in one medium to the velocity of light in another medium.</p> Signup and view all the answers

    How many types of refractive index are there?

    <p>2</p> Signup and view all the answers

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