Introducing Photonics And Lasers

6 Questions | Total Attempts: 82

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Introducing Photonics And Lasers - Quiz

Now that you have learnt about photonics and lasers, take a quiz to test your understanding.


Questions and Answers
  • 1. 
    Photonics is the technology of generating and h_____ (10) light.
  • 2. 
    In a photonics system, information is e_____ (7) on a beam of light and transmitted across a distance.
  • 3. 
    Laser shows are the use of photonics in ______.
    • A. 

      Industry

    • B. 

      Internet

    • C. 

      Illumination

    • D. 

      Lightning

  • 4. 
    An application of a Class IV laser is ______.
    • A. 

      The removal of tattoo

    • B. 

      The barcode scanner

    • C. 

      The laser printer

    • D. 

      The laser show

  • 5. 
    The diagram below shows a laser show.What precautions must a laser operator take? (There are 2 possible correct answers.)
    • A. 

      Wear appropriate clothing

    • B. 

      Wear appropriate eye protection

    • C. 

      Use a mirror to deflect away all light beams

    • D. 

      Inform others when the laser beam is turned on

  • 6. 
    Watch the video on lasik. Which statement is true about lasik surgery?
    • A. 

      During lasik surgery, the shape of the retina is changed.

    • B. 

      Stitching of the eye is needed after lasik surgery.

    • C. 

      The lasik surgery takes about 60 minutes.

    • D. 

      Lasik surgery can treat near-sightedness.