Exam 7 Preap Numbers 16-20

5 Questions | Total Attempts: 144

SettingsSettingsSettings
Please wait...
Exam 7 Preap Numbers 16-20

.


Questions and Answers
  • 1. 
    16. A sound wave is an example of a(n) ______________ wave.
    • A. 

      Transverse

    • B. 

      Longitudinal

    • C. 

      Crest-and-trough

    • D. 

      Electromagnetic

  • 2. 
    17. A sound wave consists of a series of
    • A. 

      Compressions and rarefactions.

    • B. 

      Longitudes and latitudes.

    • C. 

      Hills and valleys.

    • D. 

      Perpendicular vibrations

  • 3. 
    18. The human perception of pitch depends on a sound’s
    • A. 

      Velocity.

    • B. 

      Wavelength.

    • C. 

      Frequency.

    • D. 

      Amplitude

  • 4. 
    19. When you hear the sound from a vehicle that is moving toward you, the pitch is higher than it would be if the vehicle were stationary. The pitch sounds higher because the
    • A. 

      Sound waves arrive more frequently.

    • B. 

      Sound from the approaching vehicle travels faster.

    • C. 

      Wavelength of the sound waves becomes greater.

    • D. 

      Amplitude of the sound waves increases.

  • 5. 
    20. The highness or lowness of a sound is perceived as
    • A. 

      Compression.

    • B. 

      Ultrasound.

    • C. 

      Wavelength.

    • D. 

      Pitch.

Back to Top Back to top