Doppler Effect

Site: Young Education
Cours: Waves
Livre: Doppler Effect
Imprimé par: Invitado
Date: vendredi 25 septembre 2026, 01:53

1. Relative Motion and Frequency

Learning outcomes
  • I can describe relative motion between a source and an observer.
  • I can explain observed changes in frequency.
  • I can distinguish between emitted and observed frequency.
  • I can predict when frequency increases or decreases.
  • I can describe everyday examples of the Doppler effect.

 

2. Moving Sources and Observers

Learning outcomes
  • I can distinguish between moving sources and moving observers.
  • I can describe how each affects observed frequency.
  • I can interpret simple Doppler diagrams.
  • I can explain the compression and stretching of wavefronts.
  • I can compare different Doppler situations.

3. Doppler Effect for Sound

Learning outcomes
  • I can explain why the pitch of a siren changes.
  • I can describe the Doppler effect using sound waves.
  • I can predict changes in pitch.
  • I can solve simple Doppler problems conceptually.
  • I can identify everyday examples.

4. Doppler Effect for Light

Learning outcomes
  • I can explain redshift and blueshift.
  • I can relate wavelength changes to motion.
  • I can describe how astronomers measure stellar motion.
  • I can explain the expansion of the universe using redshift.
  • I can compare Doppler effects for light and sound.

5. Applications of the Doppler Effect

Learning outcomes
  • I can describe medical ultrasound Doppler imaging.
  • I can explain radar speed detection.
  • I can describe weather radar applications.
  • I can identify astronomical applications.
  • I can explain how Doppler measurements are used in modern science and technology.