Visible Light
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Questions and Answers

What is the speed of light in vacuum?

  • 294792458 m/s
  • 300000000 m/s
  • 299792458 m/s (correct)
  • 310000000 m/s

    • What are the primary properties of light?

  • Energy, velocity, wavelength, and frequency
  • Refraction, diffraction, interference, and polarization
  • Intensity, propagation direction, frequency or wavelength spectrum, and polarization (correct)
  • Speed, color, frequency, and amplitude

    • What is the usual range of wavelengths for visible light?

  • 450–750 nanometres (nm)
  • 200–800 nanometres (nm)
  • 400–700 nanometres (nm) (correct)
  • 300–600 nanometres (nm)

    • What does the term 'light' refer to in physics?

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

    What represents the quanta of the electromagnetic field?

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

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