Quiz  /  Light as a Wave

  • 1. 
    Light behaves like both a particle and a ______.

  • Voltage
  • Mass
  • Current
  • Wave

  • 2. 
    What particles make up light?

  • Neutrons
  • Protons
  • Photons
  • Electrons

  • 3. 
    What property of light allows us to see objects?

  • All of the above
  • Refraction
  • Diffraction
  • Reflection

  • 4. 
    What type of reflection occurs when light rays are reflected off of a surface in a single outgoing direction?

  • Diffuse reflection
  • Specular reflection

  • 5. 
    What type of reflection occurs when light rays are reflected off of a surface in a number of different directions?

  • Specular reflection
  • Diffuse reflection

  • 6. 
    Which of the following items is the best example of specular reflection?

  • A desktop
  • Paper
  • A painted wall
  • A mirror

  • 7. 
    What wave-like property of light causes it to change direction when it moves from one medium to another?

  • Reflection
  • All of the above
  • Diffraction
  • Refraction

  • 8. 
    When calculating the index of refraction of a substance, what does the letter 'c' stand for?

  • The number of photons present
  • Inductance of the material
  • Conduction of the material
  • Speed of light in a vacuum

  • 9. 
    Does light travel faster in water or in a vacuum?

  • The speed of light is the same in both
  • Water
  • Vacuum

  • 10. 
    What wave-like property of light causes it to bend when encountering an opening?

  • Reflection
  • Diffraction
  • All of the above
  • Refraction
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