Radiant Energy and Intensity Physics Quiz
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Questions and Answers

What are the units of intensity in the SI system?

  • Kilograms per second (kg/s)
  • Watts per square meter (W/m2) (correct)
  • Joules per cubic meter (J/m3)
  • Watts per cubic meter (W/m3)

    • In which circumstances can intensity be applied?

  • Electrical circuits and magnetic fields
  • Chemical reactions and phase changes
  • Situations involving temperature and pressure
  • Waves and other situations involving energy transfer (correct)

    • What does the intensity of a wave depend on?

  • The square root of its frequency
  • The inverse of its wavelength
  • The velocity of the medium it travels through
  • The square of its amplitude (correct)

    • How is intensity related to energy density and velocity?

    <p>Intensity is the product of energy density and velocity</p> Signup and view all the answers

    What is the relationship between intensity and power transfer over one period of a wave?

    <p>Intensity is the average power transfer over one period of the wave</p> Signup and view all the answers

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