By the end of this topic the learner should be able to:
- Perform and describe simple experiments to show that sound is produced by vibrating bodies;
- Perform and describe an experiment to show that sound requires a material medium for propagation;
- Explain the nature of sound waves;
- Determine the speed of sound in air by the echo method;
- State the factors affecting the speed of sound;
- Solve numerical problems involving velocity of sound.