EM Spectrum Distribution Quiz
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Questions and Answers

Which type of electromagnetic wave has the longest wavelength and lowest frequency?

  • Gamma rays
  • Microwaves
  • Radio waves (correct)
  • Ultraviolet
  • What are radio waves mainly transparent to, except for layers of charged particles in the ionosphere?

  • X-rays
  • Ultraviolet rays
  • Microwaves (correct)
  • Infrared rays
  • What can microwaves penetrate into and deposit their energy below the surface?

  • Ultraviolet rays
  • Radio waves
  • Materials (correct)
  • Metal conductors
  • In which systems are radio waves widely used to transmit information across distances?

    <p>All of the above</p> Signup and view all the answers

    What are microwaves also used for besides cooking?

    <p>Industrial heating</p> Signup and view all the answers

    Which type of electromagnetic wave can penetrate into materials and deposit their energy below the surface?

    <p>X-rays</p> Signup and view all the answers

    What are radio waves mainly transparent to, except for layers of charged particles in the ionosphere?

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

    In which systems are radio waves widely used to transmit information across distances?

    <p>Television broadcasting</p> Signup and view all the answers

    What can microwaves penetrate into and deposit their energy below the surface?

    <p>Insulating materials</p> Signup and view all the answers

    Which type of electromagnetic wave has the longest wavelength and lowest frequency?

    <p>Radio waves</p> Signup and view all the answers

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