The Doppler Effect with Sound (Grade 12 NSC Matric Physical Sciences): Flashcards
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Definition of Doppler effect
Definition of Doppler effect
Change in observed frequency due to relative motion
Pitch when source approaches observer
Pitch when source approaches observer
Higher frequency/pitch
Pitch when source moves away from observer
Pitch when source moves away from observer
Lower frequency/pitch
Frequency when observer moves towards stationary source
Frequency when observer moves towards stationary source
Higher frequency
Frequency when observer moves away from stationary source
Frequency when observer moves away from stationary source
Lower frequency
Doppler effect formula
Doppler effect formula
Sign of when source moves towards listener
Sign of when source moves towards listener
Negative
Sign of when listener moves towards source
Sign of when listener moves towards source
Positive
Medical application of Doppler effect
Medical application of Doppler effect
Ultrasound to examine blood flow
Medical conditions detected by Doppler ultrasound
Medical conditions detected by Doppler ultrasound
Blood flow problems, blocked arteries, heart valve issues