ZIMSEC O-Level Physics
9.2Sound
Sound in ZIMSEC O-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic24 practice questions2 lessons
Overview
Form 3. No treatment of overtones.
Learning objectives
What the syllabus expects you to be able to do.
- 9.2.1Describe how sound is produced and the longitudinal nature of sound waves.
- 9.2.2State the approximate range of audible frequencies.
- 9.2.3Explain why sound needs a medium.
- 9.2.4Describe experiments to find the speed of sound in air.
- 9.2.5Relate pitch, loudness and quality to the amplitude and frequency of sound waves.
- 9.2.6Describe echoes and their applications.
Lessons
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Echoes and ultrasound
22 min
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Sound
28 min
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Sample question
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