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🔍 PREVIEW MODE – Only you can see this. Back to Admin EduTek Lesson Notes Shop Print PDF Home › SS › Physics › Light: Refraction SS 2 Light: Refraction Physics SS 2 First Term Introduction to Refraction Refraction is the bending of light as it passes from one medium to another. This bending occurs because light travels at different speeds in different media. 📌 Key Concepts: Refraction: The change in direction of a light ray as it passes from one medium to another. Angle of Incidence (i): Angle b [Preview only]