Geometrical Optics: Ray Theory
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Questions and Answers

In the context of geometrical optics, what is assumed about the wavelength?

  • Wavelength is constant
  • Wavelength is almost zero (correct)
  • Wavelength is negligible
  • Wavelength is infinite

    • What does geometrical optics neglect?

  • Refraction
  • Reflection
  • Diffraction (correct)
  • Interference

    • What will be observed on the screen when a parallel beam of light passes through an aperture?

  • A uniform distribution of light
  • No change in the pattern of light
  • Complete darkness
  • A bright spot in a specific region (correct)

    • What will be covered in module one of this class?

    <p>Ray Theory and Fermat’s Principle</p> Signup and view all the answers

    What is represented by 'k' in the context of geometrical optics?

    <p>Wave vector</p> Signup and view all the answers

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