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Describe qualitatively how the frequency heard by a stationary observer changes as a…
PHYSICS · Subjective · GCSE · Physics · Waves · Waves
Problem
Describe qualitatively how the frequency heard by a stationary observer changes as a vehicle with a constant-pitch siren approaches, passes directly in front of the observer, and then moves away at the same speed.
Related theory
Doppler Effect
Speed of sound
The Doppler effect
Waves
Sound propagation and speed
Sound
Characteristics of sound waves
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