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Physics SL

SLHL

Chapter 16: The Doppler Effect

Build full Doppler-effect fluency from wavefront geometry and low-speed light shifts to sound formulas for moving sources, moving observers, and reflected-wave measurements.

Estimated chapter time: 90 minutes

IB syllabus: C.5 · SL and HL

Chapter Topics

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  1. 1How to Read This Doppler Effect Chapter
    1. 1.1Why This Chapter Matters
    2. 1.2Learning Targets
    3. 1.3How to Work This Chapter Efficiently
  2. 216.1 The Doppler Effect at Low Speeds
    1. 2.1Stationary Source, Moving Observer
    2. 2.2Moving Source, Stationary Observer
    3. 2.3Frequency Shift Is Not Loudness Change
  3. 316.2 The Doppler Effect for Light and Red-Shift
    1. 3.1Approximate Light-Shift Relations for Small Speeds
    2. 3.2Blue-Shift and Red-Shift Language
    3. 3.3Astrophysical Use and Validity Limits
  4. 4Chapter 16 Wrap-Up
    1. 4.1Exam Workflow for Doppler Problems

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How to Read This Doppler Effect Chapter