Li-Fi Technology Quiz
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Questions and Answers

What is the key technical difference between Wi-Fi and Li-Fi?

  • Wi-Fi uses infrared spectrum to transmit data, whereas Li-Fi uses ultraviolet spectrum to induce an electric tension in an antenna to transmit data.
  • Wi-Fi uses light intensity to transmit data, whereas Li-Fi uses radio frequency to induce an electric tension in an antenna to transmit data.
  • Wi-Fi uses visible light to transmit data, whereas Li-Fi uses LED lamps to induce an electric tension in an antenna to transmit data.
  • Wi-Fi uses radio frequency to induce an electric tension in an antenna to transmit data, whereas Li-Fi uses the modulation of light intensity to transmit data. (correct)
  • What type of technology is Li-Fi a derivative of?

  • Radio frequency technology
  • Infrared communications technology
  • Ultraviolet communications technology
  • Optical wireless communications (OWC) technology (correct)
  • In which areas is Li-Fi able to function well due to its resistance to electromagnetic interference?

  • Underwater environments, mountainous regions, and deserts
  • Urban areas, shopping malls, and stadiums
  • Industrial facilities, construction sites, and power plants
  • Aircraft cabins, hospitals, and the military (correct)
  • What was the projected compound annual growth rate of the Li-Fi market from 2013 to 2018?

    <p>82% (C)</p> Signup and view all the answers

    What is the present state limitation for the transmission of data in visible light for Li-Fi?

    <p>Only LED lamps can be used for the transmission of data (D)</p> Signup and view all the answers

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