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🔍 PREVIEW MODE – Only you can see this. Back to Admin EduTek Lesson Notes Shop Print PDF Home › SS › Physics › Light: Reflection SS 2 Light: Reflection Physics SS 2 First Term Introduction to Light Light is a form of energy that travels in straight lines and enables us to see objects. Light is a type of electromagnetic radiation that is visible to the human eye. 📌 Key Concepts: Light travels in straight lines called rays. A beam of light is a bundle of parallel rays. Light travels at a speed of [Preview only]