Cambridge IGCSE Physics Revision Core Concepts Exam Preparation Online

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Lesson 3.4.1: Sound Wave Properties ??? Nature, speed, and frequency range (20 Hz to 20 kHz).

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Lesson 3.3.1: Electromagnetic Spectrum ??? Properties and uses of radio, microwave, infrared, visible, UV, X-ray, and gamma rays.Previous Lesson 3.4.2: Sound Reflection and Pitch ??? Echoes, loudness, and pitch variation with frequency.Next