Propagation of Sound Waves

Contents & notes: what this topic covers

Under Propagation of Sound Waves, the JAMB Physics syllabus expects you to study:

• 21. Propagation of Sound Waves
• (i) the necessity for a material medium;
• (ii) speed of sound in solids, liquids and air;
• (iii) reflection of sound; echoes, reverberation and their applications;
• (iv) advantages and disadvantages of echoes and reverberations.

Study notes & guidance

Study Propagation of Sound Waves using a recommended Physics textbook that follows the JAMB syllabus. Work through the contents listed above one by one, make brief notes in your own words, and then practise as many questions on this topic as you can — in Physics, understanding and steady practice matter far more than memorising. Use the objectives below as a checklist: if you can do each one confidently, you have mastered this topic.

Objectives — candidates should be able to

After studying Propagation of Sound Waves, you should be able to:

1. Determine the need for a material medium in the propagation of sound waves;
2. Compare the speed of sound in solids, liquids and air;
3. Relate the effects of temperature and pressure to the speed of sound in air;
4. Solve problem on echoes, reverberation and speed;
5. Compare the disadvantages and advantages of echoes.
6. Solve problems on echo, reverberation and speed of sound.

These objectives are from the official JAMB syllabus. Use them as a checklist — if you can do each one confidently, you have mastered this topic.

Source: official JAMB UTME Physics syllabus (IBASS, jamb.gov.ng). Reproduced for study use. Last checked: 17 Sept 2026. Always confirm the current syllabus on the official portal.