This bundle is for Cambridge International Examinations (CIE) Physics, Unit 7, Waves and Unit 8 Superposition, for the 2022 onwards and 2025 specification. It includes the following: Lesson 1: Progressive waves Lesson 2: EM Spectrum Lesson 3: Doppler effect Lesson 4: Polarisation Lesson 5: Superposition Lesson 6: Stationary waves Lesson 7: Standing wave practical Lesson 8: Diffraction and interference Lesson 9: Diffraction grating Lesson 10: End of unit test/mark scheme/review presentation.