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Doppler Effect

Physics ⇒ Waves and Sound

Doppler Effect starts at 11 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Doppler Effect. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 12
Describe the difference between the Doppler Effect for sound and for light.
Describe what is meant by 'redshift' and 'blueshift' in the context of the Doppler Effect for light.
Explain why the Doppler Effect is important in medical imaging.
Explain why the Doppler Effect is not observed when the source and observer are stationary relative to each other.
Explain why the Doppler Effect is not symmetrical for sound waves when the source and observer move at the same speed but in opposite directions.
Explain why the pitch of an ambulance siren appears to change as it passes by an observer.
What is the Doppler Effect?