Chapter 17.2 Electromagnetic Waves Have Many Uses.

22 Questions

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Radiation Quizzes & Trivia

Electromagnetic waves are what transfer electromagnetic radiation through space, which is involved in a number of applications such as microwaves, radio waves, gamma rays, infrared, x-rays light and ultraviolet. As you can see, it has many uses. What are the details of these uses? You tell us!


Questions and Answers
  • 1. 
    EM waves have different ______
  • 2. 
    The _______ of an EM wave also determines its characteristics and uses.
  • 3. 
    ______ frequency EM waves, with more electromagnetic vibrations per second, have more energy.
  • 4. 
    Higher-frequency EM waves, with more electromagnetic wibrations per second, have more _______.
  • 5. 
    Lower-frequency EM waves, with ______ wavelengths, have less energy.
  • 6. 
    The range of all EM frequencies is known as the electromagnetic ________.
  • 7. 
    Radio waves have _____ wavelengths than gamma rays.
  • 8. 
    Microwaves are part of the ____ wave range.
  • 9. 
    _____ waves are located at 10000000000000 (10^13) hertz.
  • 10. 
    All EM waves move at the _____ speed in a vacuum.
  • 11. 
    _____ rays have a frequency of 100000000000000000000000 (10^23) hertz.
  • 12. 
    A radio ______converts sound waves into radio waves.
  • 13. 
    An AM signal is encoded int the signal by varying the ________.
  • 14. 
    FM singals are encoded by varying the radio waves ______.
  • 15. 
    _____ stands for radio detection and ranging.
  • 16. 
    Cell phones use a radio transmitter and receiver that uses ________.
  • 17. 
    ____________, visible, and ultraviolet light have mid-range wavelengths and frequencies.
  • 18. 
    X-rays and gamma rays have _____ wavelengths and high frequencies.
  • 19. 
    X-rays and gamma rays have short wavelengths and ____ frequencies.
  • 20. 
    Select the electromagnetic wave with the longest wavelengths
    • A. 

      Gamma rays

    • B. 

      Visible light

    • C. 

      Ultraviolet light

    • D. 

      Microwaves

  • 21. 
    Which of these have the shortest wavelengths.
    • A. 

      X-ray

    • B. 

      Infrared

    • C. 

      Visible

    • D. 

      Radio

  • 22. 
    Which of these has the highest energy.
    • A. 

      Radio

    • B. 

      Visible

    • C. 

      Infrared

    • D. 

      Gamma