Wave Fronts Quiz
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Questions and Answers

What is the definition of a wave front?

  • The locus of all particles in the same state of vibration (correct)
  • The locus of all particles in different states of vibration
  • The locus of particles at rest
  • The locus of all particles in the medium

    • What type of wave front does a point source of light at an infinite distance in an isotropic medium create?

  • Elliptical wavefront
  • Cylindrical wavefront
  • Spherical wavefront
  • Plane wavefront (correct)

    • According to Huygen’s principle, what may every point on a given wave front be considered as?

  • A source of primary wavelets
  • A source of sound waves
  • A source of light rays
  • A source of secondary wavelets (correct)

    • What is the speed of propagation of the secondary wavelets according to Huygen’s principle?

    <p>Speed of light in that medium</p> Signup and view all the answers

    What type of wave front does a linear source of light, such as a slit illuminated by a lamp, give rise to?

    <p>Cylindrical wavefront</p> Signup and view all the answers

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