Name: _____________________________________________ Period: _____ Date: _________

Dekalb Reads Assignment 11.2A

CHARACTERISTICS OF WAVES

Read pages 365-368 and answer the following questions

Use your own textbook: Score 3 points. Maximum points possible for this assignment:25

  1. An ideal transverse wave has the shape of a ____________________________.

    2.  

  2. What does a sine curve look like?

    3.  

  3. ______________ measures the amount of particles vibration.
  4. Define crest.

    5.  

  5. Define trough.

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  6. Define amplitude.

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  7. What is compression?

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  8. What is rarefaction?

    9.  

  9. What kind of curve results if density in a longitudinal wave is plotted on vertical axis and distance along horizontal axis.

    10.  

  10. Define wavelength.

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  11. Wavelength is represented by the Greek letter __________________.
  12. Define period.

    13.  

  13. What is the symbol for period?

    14.  

  14. Define frequency.
  15. The frequency of a wave also measures ___________________________________________.

    16.  

  16. The symbol for frequency is _____.

    17.  

  17. The SI unit for frequency is ______________. Hertz (Hz).

    18.  

  18. Name the scientist who first experimentally demonstrated Electro magnetic waves.

    19.  

  19. Two vibrations per second is ___________.

    20.  

  20. Write down the frequency – period equation.

    21.  

  21. Our eyes can detect light with frequencies ____________ to _______________ .

    22.  

  22. What is Electro magnetic spectrum?
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