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Fiber Optics Practice Exam

18 Questions
Physics Quizzes & Trivia

This is an study guide to prepare you for tomorrows exam.

Questions and Answers
  • 1. 
    What does LASER stand for?
    • A. 

      Light Amplification by Simulated Emission of Radiation

    • B. 

      Light Administration of Simulated Energy Radiation

    • C. 

      Laser Amplification by Simulated Emission of Radiation

  • 2. 
    • A. 

      The distance from the laser to the lens

    • B. 

      The distance from the battery to the point where the light converges

    • C. 

      The distance from the center of the lens to the point where the light converges

  • 3. 
    Refraction is when?
    • A. 

      Light bends towards the normal

    • B. 

      Light bends away from the normal

    • C. 

      Light becomes one central dot

  • 4. 
    Diffraction is when?
    • A. 

      Light bends towards the normal

    • B. 

      Light bends away from the normal

    • C. 

      Light becomes one central dot

  • 5. 
    • A. 

      The light shines straight through the prism

    • B. 

      The light counteracts and shines in the opposite direction

    • C. 

      The light shines out the the same side but at a small angle

  • 6. 
    Refraction happens because?
    • A. 

      The light slows down in a material

    • B. 

      The light changes color in a material

    • C. 

      The light speeds up in a material

    • D. 

      The light stops in a material

  • 7. 
    • A. 

      Communication over copper wires

    • B. 

      Communication over speaker wire

    • C. 

      Communication over thin stands of glass

  • 8. 
    What application does fiber optics not include?
    • A. 

      LANS

    • B. 

      Utilities

    • C. 

      CATV

    • D. 

      Desktop Publishing

  • 9. 
    • A. 

      Security

    • B. 

      Speed

    • C. 

      Distance

    • D. 

      Freedom from Interference

  • 10. 
    Outside plant premises is?
    • A. 

      Installing fiber optics in a LAN

    • B. 

      Installing fiber optics outside

    • C. 

      Installing fiber optics in a school

  • 11. 
    • A. 

      The change in angle of the diffraction of a laser light

    • B. 

      The change in direction of the laser light

    • C. 

      The change in color of the laser light

  • 12. 
    The core of a fiber optic cable is composed
    • A. 

      Copper wiring

    • B. 

      Thin strands of glass

    • C. 

      Sound waves

  • 13. 
    The light used in Fiber Optic cabling is
    • A. 

      UV

    • B. 

      Visible

    • C. 

      Infrared

  • 14. 
    • A. 

      850 nanometers

    • B. 

      1000 nanometers

    • C. 

      1011 nanometers

    • D. 

      1200 nanometers

    • E. 

      1300 nanometers

  • 15. 
    What is the purpose of the demultiplexer in fiber optics?
    • A. 

      It multiplies the intensity of the light

    • B. 

      It reduces the intensity of the light

    • C. 

      It refracts the light into the correct optical fiber locations

  • 16. 
    • A. 

      A splice with two wires

    • B. 

      A component created to convert data

    • C. 

      A component designed to protect the glass strands

  • 17. 
    Total internal reflection relates to?
    • A. 

      The angle of the light reflecting in the core of the fiber

    • B. 

      The ability to hold in all light sources to speed up the data

    • C. 

      The bouncing back of the light within the fiber core.

  • 18.