Lecture 19: Exam Review 2 and Discussion of Problem Solving

• Course Home
• Syllabus
• Unit I: Vibrations

  • Periodic Phenomena
  • Damped Free Oscillations
  • Problem Set 1
  • Forced Oscillations 1
  • Forced Oscillations 2
  • Problem Set 2
  • Coupled Oscillators
  • Driven Coupled Oscillators
  • Problem Set 3
• Unit II: Waves

  • Many Coupled Oscillators & Wave Equations
  • Traveling & Standing Waves
  • Normal Modes in Sound and Music
  • Problem Set 4
  • Exam Review 1
  • Fourier Analysis
  • Dispersion, Phase Velocity, & Group Velocity
  • Problem Set 5
• Unit III: Electromagnetic Waves

  • Deriving Electromagnetic Waves
  • Generating EM Waves, Energy, Scattering
  • Problem Set 6
  • Doppler Effect, Sound, EM Radiation
  • Electromagnetic Waves and Conductors
  • Wave Guides & Resonant Cavities
  • Problem Set 7
• Unit IV: Applications

  • Interactions of Light with Nonconductors
  • Problem Set 8
  • Exam Review 2
  • Interference
  • Diffraction
  • Rainbows and Other Optical Phenomena
  • Problem Set 9
  • Farewell Special
• Final Exam
• Problem Solving Help Videos
• Download Course Materials

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Lecture Topics

Lecture 19 was originally given as a review for the first on-campus exam. During this lecture, Professor Lewin discusses the concepts and techniques required for understanding the listed physical systems and processes. Traveling wave on a string Standing wave energy on a string Electromagnetic traveling waves Standing electromagnetic wave Accelerated charges Polarization of light in Rayleigh scattering Spaghetti analogy for kinks in E-field of accelerated charge Movie: Oscillating charges Boundary conditions and wave guides with conductors Resonant sound box Resonance frequencies of a sphere Demo: Resonance frequencies of a sphere using sound Mystery of low frequency sound resonance in a sphere

Lecture Activities

• Watch the Exam review video (Lecture 19) with Professor Lewin (01:20:23)
• Also available: Lecture 19 video transcript (PDF)

 

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