Discovering the Secrets of Visible Light
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Questions and Answers

Which one of the following is the correct definition of visible light?

  • Electromagnetic radiation that can be perceived by the human eye (correct)
  • Electromagnetic radiation with wavelengths between 400-700 nm
  • Electromagnetic radiation with frequencies of 750-420 THz
  • Electromagnetic radiation between the infrared and ultraviolet
  • Which of the following types of electromagnetic radiation can be considered as light?

  • Microwaves
  • Radio waves
  • X-rays
  • Gamma rays (correct)
  • What are the primary properties of light?

  • Density, pressure, and volume
  • Color, shape, and size
  • Intensity, propagation direction, frequency or wavelength spectrum, and polarization (correct)
  • Mass, velocity, and temperature
  • What is the speed of light in a vacuum?

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

    What are photons?

    <p>Massless elementary particles representing the quanta of electromagnetic field</p> Signup and view all the answers

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