Visible Light and Electromagnetic Radiation
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Questions and Answers

What is the primary source of natural light on Earth?

  • The Moon
  • Fire
  • Electric lights
  • The Sun (correct)

    • Which type of electromagnetic radiation can be perceived by the human eye?

  • Visible light (correct)
  • Radio waves
  • X-rays
  • Gamma rays

    • What are the primary properties of light mentioned in the text?

  • Temperature and pressure
  • Density and color
  • Intensity and propagation direction (correct)
  • Speed and weight

    • What is the speed of light in vacuum according to the text?

    <p>$299792458 m/s$</p> Signup and view all the answers

    Which field of study is concerned with the research of light?

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

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