Visible Light and Electromagnetic Radiation Quiz
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Questions and Answers

What is the speed of light in vacuum?

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

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

  • 350–600 nanometres
  • 600–800 nanometres
  • 400–700 nanometres (correct)
  • 200–500 nanometres

    • What represents the quanta of electromagnetic field for visible light?

  • Neutrons
  • Photons (correct)
  • Electrons
  • Protons

    • What is the main source of natural light on Earth?

    <p>The Sun</p> Signup and view all the answers

    What is the speed of light in vacuum?

    <p>299,792,458 m/s</p> Signup and view all the answers

    What are the primary properties of light?

    <p>Intensity, propagation direction, frequency or wavelength spectrum, and polarization</p> Signup and view all the answers

    What are the primary properties of light?

    <p>Intensity, propagation direction, frequency or wavelength spectrum, and polarization</p> Signup and view all the answers

    What represents the quanta of electromagnetic field for visible light?

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

    Which range of wavelengths is usually defined as visible light?

    <p>$400-700$ nanometres (nm)</p> Signup and view all the answers

    What is the main source of natural light on Earth?

    <p>The Sun</p> Signup and view all the answers

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