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Laser Knowledge Quiz
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Laser Knowledge Quiz

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Questions and Answers

What type of light is used in a laser?

  • Ultraviolet light
  • Infrared light
  • Visible light (correct)
  • X-ray light

    • What does the acronym 'L.A.S.E.R.' stand for?

  • Luminous Amplification of Solar Energy by Reflection
  • Light Amplification by Stimulated Emission of Radiation (correct)
  • Luminous Amplification by Stimulated Emission of Rays
  • Light Absorption by Stimulated Emission of Radioactivity

    • In which year was the first working laser demonstrated?

  • 1957
  • 1985
  • 1972
  • 1960 (correct)

    • What is the process by which a laser produces a narrow, intense beam of light?

    <p>Stimulated emission</p> Signup and view all the answers

    What material is often used as the gain medium in solid-state lasers?

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

    Which type of laser is commonly used in barcode scanners and laser pointers?

    <p>Semiconductor laser</p> Signup and view all the answers

    What is the term used to describe the process in which light is emitted by a laser?

    <p>Stimulated Emission</p> Signup and view all the answers

    What is the primary mechanism by which a laser produces a concentrated beam of coherent light?

    <p>Population Inversion</p> Signup and view all the answers

    What is the function of the 'gain medium' in a laser system?

    <p>To amplify the light signal</p> Signup and view all the answers

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