8.03SC | Fall 2016 | Undergraduate
Physics III: Vibrations and Waves
Part I: Mechanical Vibrations and Waves

Lecture 11: Sound Waves

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Lecture Topics

  • Sound waves
  • Longitudinal wave
  • Wave equation
  • Speed of sound
  • Adiabatic process

Lecture Video: Sound Waves

Sound wave, a longitudinal wave, is discussed in this lecture. Prof. Lee calculates the speed of sound using two extreme cases: (1) constant temperature (2) adiabatic process. He also measures the speed of sound using an in-class demo.

Lecture Notes

Typed Notes for Lecture 11 (PDF - 1.2MB)

Handwritten Notes for Lecture 11 (PDF - 2.4MB)

Textbook Reading

Chapter 6: Continuum Limit and Fourier Series (PDF - 1.2MB) (section 6.2 to end) 

Chapter 7: Longitudinal Oscillations and Sound (PDF - 1.3MB) 

Chapter 8: Traveling Waves (PDF - 1.4MB) (through section 8.2) 

Problem Set

Problem Set 6 (PDF)

Problem Solving Help Video*

Electromagnetic Waves in a Vacuum

In-class Demonstrations

SEE IT IN THE LECTURE
Standing Sound Waves in a Glass Tube
Helium Balloon

* Note: This Problem Solving Help video was originally produced as part of a physics course that is no longer available on OCW.

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Course Info
Instructor
Departments
As Taught In
Fall 2016
Learning Resource Types
theaters Lecture Videos
notes Lecture Notes
assignment Problem Sets
grading Exams with Solutions
co_present Instructor Insights