Chapter 12: Sound
Objectives

• What are the Characteristics of Sound?
• What is...
  Infrasound?
  Ultrasound?
  Pitch?
  Frequency?
  Loudness?
  Intensity?

• I have heard of Decibels. What are they and how are they related to Intensity?
• How is Wave Amplitude related to Intensity?
• How is the Ear constructed and how does it sense sound?
• What are the common sources of Musical Sounds?
• How do Vibrating Strings produce sounds of different frequencies?
• How do Vibrating Air Columns produce sounds of different frequencies?
• How does Quality effect how a particular instrument sounds?
• What are Beats and how do they arise from the Interference of sounds?
• We have all heard the train whistle change pitch as it passes us. Does the Doppler Effect explain this?
• What is a Sonic Boom and how is it produced?