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Reflection Of Light quiz

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Terms in this set (10)

  • What happens to the light rays when they hit a reflective specimen?
    When light rays hit a reflective specimen, they reflect off the boundary in accordance with the law of reflection. This law states that the angle of incidence (the angle at which the light hits the surface) is equal to the angle of reflection (the angle at which the light leaves the surface).
  • How can glare be avoided when dealing with reflective surfaces?
    To avoid glare when dealing with reflective surfaces, one can adjust the angle of the light source or the observer's position so that the angle of incidence does not equal the angle of reflection towards the observer's eyes. This minimizes the direct reflection of light into the eyes, reducing glare.
  • What are the two possible actions a wave can take when it encounters a boundary between two media?
    A wave can either reflect off the boundary or transmit through it and propagate in the new medium.
  • How does light reflect off a boundary in comparison to a ball undergoing an elastic collision?
    Light reflects off a boundary in the same manner as a ball undergoing an elastic collision, conserving momentum and changing direction.
  • What is the Law of Reflection?
    The Law of Reflection states that the angle of incidence is equal to the angle of reflection.
  • How are angles measured when light encounters a boundary?
    Angles are measured relative to the normal direction, which is perpendicular to the boundary.
  • What is the complementary angle to a 65-degree incident angle on a surface?
    The complementary angle to a 65-degree incident angle is 25 degrees.
  • What is the sum of all internal angles within a triangle?
    The sum of all internal angles within a triangle is 180 degrees.
  • If an angle in a triangle is 25 degrees and another is 120 degrees, what is the third angle?
    The third angle is 35 degrees.
  • What is the angle theta if the incident angle on the second surface is 55 degrees?
    According to the Law of Reflection, theta is 55 degrees.