Unit 3: WavesBy Ms Hoo / July 9, 2026 Course Information Categories: Cambridge IGCSE Physics 0625/0972 (2026-2028) Course Instructor Ms Hoo Author 3.1 General Properties of Waves Types of Waves and Wave Features Lesson 1 of 4 within section 3.1 General Properties of Waves. How Ripple Tanks Work Lesson 2 of 4 within section 3.1 General Properties of Waves. Wave Reflection Lesson 3 of 4 within section 3.1 General Properties of Waves. Wave Refraction Lesson 4 of 4 within section 3.1 General Properties of Waves.