Visible Light & Electromagnetic Radiation Quiz
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Questions and Answers

What is the speed of light in vacuum?

  • 299,792,458 m/s (correct)
  • 200,000,000 m/s
  • 400,000,000 m/s
  • 300,000,000 m/s

    • What are the primary properties of light?

  • Intensity, refraction, diffraction, and polarization
  • Wavelength, speed, amplitude, and frequency
  • Intensity, propagation direction, frequency or wavelength spectrum, and polarization (correct)
  • Color, speed, propagation medium, and frequency

    • What range of wavelengths is usually defined as visible light?

  • 300–600 nanometres (nm)
  • 200–500 nanometres (nm)
  • 600–800 nanometres (nm)
  • 400–700 nanometres (nm) (correct)

    • What represents the quanta of the electromagnetic field?

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

    In physics, what may the term 'light' refer to?

    <p>Electromagnetic radiation of any wavelength, whether visible or not</p> Signup and view all the answers

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