Reflection of Light: Types and Total Internal Reflection
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Questions and Answers

What is the primary difference between transverse and longitudinal waves?

  • The frequency of the wave
  • The direction of energy movement (correct)
  • The wavelength of the wave
  • The speed of the wave

    • What is the angle formed by the incident ray and the normal to the surface?

  • Angle of incidence (correct)
  • Angle of reflection
  • Angle of diffraction
  • Angle of refraction

    • What is the normal to the surface in the context of reflection?

  • The reflected ray
  • The line parallel to the surface
  • The line perpendicular to the surface (correct)
  • The incident ray

    • What is the phenomenon where light bounces against a surface?

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

    What is the law governing the reflection of light?

    <p>The law of reflection</p> Signup and view all the answers

    What is the term for the angle formed by the ray and the normal line?

    <p>Angle of reflection</p> Signup and view all the answers

    What type of reflection occurs on a rough surface?

    <p>Diffused reflection</p> Signup and view all the answers

    What is the term for the surface where light can bounce against?

    <p>Reflecting surface</p> Signup and view all the answers

    What is the necessary condition for total internal reflection to occur?

    <p>The light ray moves from a denser medium to a less dense medium</p> Signup and view all the answers

    What is the characteristic of reflected rays in regular reflection?

    <p>They have only one direction</p> Signup and view all the answers

    What is the angle of refraction when the incident ray is refracted in such a way that it passes along the surface of the medium?

    <p>90 degrees</p> Signup and view all the answers

    What is the minimum angle required for total internal reflection to occur in a diamond?

    <p>23°</p> Signup and view all the answers

    What happens when the angle of incidence is greater than the critical angle?

    <p>The light ray is reflected back to the denser medium</p> Signup and view all the answers

    What is the purpose of the cladding in an optical fiber?

    <p>To cause total internal reflection</p> Signup and view all the answers

    What is the phenomenon responsible for the appearance of a water layer at short distances in a desert or on a road?

    <p>Mirage and Total Internal Reflection</p> Signup and view all the answers

    Which of the following is NOT an example of total internal reflection?

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

    What is the main advantage of using optical fibers in telecommunication?

    <p>Increasing signal speed</p> Signup and view all the answers

    What is another application of optical fibers besides telecommunication?

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

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