IGCSE Physics | Rate of Decay & Half-Life Explained | Lesson 46

Learn the key concepts of Rate of Decay and Half-Life in this IGCSE Physics lesson. In this video, we explain how radioactive activity changes over time, what half-life means, and how to interpret decay graphs and solve typical IGCSE Physics questions. 📚 Topics covered: Rate of radioactive decay Activity and count rate Half-life Decay curves Finding half-life from graphs Comparing radioactive samples Background radiation Half-life calculations Common exam question types Key exam tips This lesson is ideal for students preparing for Cambridge IGCSE Physics who want to strengthen their understanding of radioactivity and become more confident with half-life calculations and graph questions. 📘 Looking for more structured IGCSE resources? Visit Mai Lin Education: 👉 https://payhip.com/MaiLinEdu Our platform includes: ✅ Self-developed textbooks and study notes ✅ Topic-by-topic practice questions ✅ Classified past-paper questions ✅ Past papers and revision materials ✅ Free learning resources ✅ Structured exam preparation systems ✅ International and local curriculum resources ✅ Multilingual learning materials New resources are continuously being added. Start your structured revision here: 👉 https://payhip.com/MaiLinEdu #IGCSEPhysics #HalfLife #RateOfDecay #RadioactiveDecay #Radioactivity #DecayCurve #NuclearPhysics #CambridgeIGCSE #PhysicsRevision #MaiLinEducation