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🔍 PREVIEW MODE – Only you can see this. Back to Admin EduTek Lesson Notes Shop Print PDF Home › SS › Physics › Sound Waves SS 2 Sound Waves Physics SS 2 Second Term Introduction to Sound Waves Sound is a form of energy that travels through a medium as a longitudinal wave. It is produced by vibrating objects and requires a material medium to propagate. 📌 Key Concepts: Sound: A mechanical longitudinal wave produced by vibrating objects. Medium: A substance through which sound travels (solids, liqu [Preview only]