Waves, Doppler & Polarisation | IAL Physics | Cambridge 9702 · Edexcel YPH11 · OxfordAQA 9630

Progressive waves for International A Level Physics: wave terms, phase difference, v = fλ, intensity, the CRO, transverse and longitudinal waves, the Doppler effect for sound, the EM spectrum, polarisation and Malus's law, ultrasound and pulse-echo. 📝 Cambridge 9702 notes: Waves (free): https://www.thinka.ai/en-GB/Cambridge... 📱 Thinka app: practice questions and notes: https://www.thinka.ai/en-GB/download?... AI tutor Emma teaches from the Thinka notes, step by step. A Board Check shows what differs between Cambridge 9702, Edexcel YPH11 and OxfordAQA 9630; the exam tips come from examiner reports. ⏱️ Chapters 0:00 Intro, why it matters and key terms 2:09 Progressive waves and wave terms 4:13 Phase difference 6:36 The wave equation: v = fλ 9:21 Energy and intensity: I ∝ A² 11:20 Using the CRO to find frequency 13:15 Transverse and longitudinal waves 15:54 The Doppler effect for sound 19:34 The electromagnetic spectrum 21:52 Polarisation and Malus's law 25:41 Ultrasound and pulse-echo 28:38 Board Check: Cambridge, Edexcel, OxfordAQA 30:15 Exam tips 32:16 Recap 🔗 Study resources 📝 Cambridge 9702 notes: Waves (free): https://www.thinka.ai/en-GB/Cambridge... 📝 Edexcel YPH11 notes: Wave Properties: https://www.thinka.ai/en-GB/Pearson-E... 📝 Edexcel YPH11 notes: Refraction, Polarisation and Diffraction: https://www.thinka.ai/en-GB/Pearson-E... 📝 OxfordAQA 9630 notes: Progressive waves: https://www.thinka.ai/en-GB/Oxford-AQ... 📝 OxfordAQA 9630 notes: Longitudinal and transverse waves: https://www.thinka.ai/en-GB/Oxford-AQ... 📊 Cambridge 9702 past paper analysis (June 2026): https://www.thinka.ai/en-GB/past-pape... 📊 Edexcel YPH11 past paper analysis (January 2026): https://www.thinka.ai/en-GB/past-pape... 📊 OxfordAQA 9630 past paper analysis (June 2025): https://www.thinka.ai/en-GB/past-pape... ✍️ Cambridge 9702 practice paper: https://www.thinka.ai/en-GB/past-pape... 📚 More 📖 All Cambridge 9702 Physics notes: https://www.thinka.ai/en-GB/Cambridge... 📖 All OxfordAQA 9630 Physics notes: https://www.thinka.ai/en-GB/Oxford-AQ... ▶️ Playlist: A Level Physics Video Course | Cambridge 9702 · Edexcel IAL · OxfordAQA 9630 →    • A Level Physics Video Course | Cambridge 9...   🤖 About this video Emma is an AI tutor: her image and voice are AI-generated. The lesson follows Thinka's study notes and does not reproduce any exam board's past-paper questions. #ALevelPhysics #DopplerEffect #ALevel