Physics (Combined Science) · IGCSE · Edexcel · Pearson Edexcel International GCSE Science (Double Award) — Physics (Modular) — 4XSD1 · Specification point · 5.8 · Waves · Properties of waves
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5.8 explain why there is a change in the observed frequency and wavelength of a wave when its source is moving relative to an observer, and that this is known as the Doppler effect |