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🎯 Determine and calculate the period and frequency of a sound signal / wave ✅ Period, pattern, signal, second, frequency, hertz, method, exercise ▶️ Playlist: SECOND 👁 SIGNALS • REFLECTION and REFRACTION of light... 🔎 Chapters 00:00 Intro 00:10 What is a sound signal? 00:50 Periodic signal 02:04 The period of a signal 03:44 The frequency of a signal 📝 Second year program 2nd year: Periodic sound signal, frequency and period. Relationship between period and frequency. Define and determine the period and frequency of a sound signal, particularly from its temporal representation.