WAEC Physics 2014 Theory — Question 19

Question 19 of 22 from the West African Examinations Council (WAEC) Physics 2014 Theory paper, with the correct answer and a full explanation.

10(a). State the three characteristics of sound and the factor on which each of them depends.

Model answer

1. Pitch — depends on the frequency of the sound wave. 2. Loudness — depends on the amplitude of the sound wave. 3. Quality (timbre) — depends on the overtones/waveform present.

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