WAEC Physics 2025 Objective — Question 22
Question 22 of 51 from the West African Examinations Council (WAEC) Physics 2025 Objective paper, with the correct answer and a full explanation.
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Which of the following reasons explains why the walls and ceilings of a standard concert hall are usually covered with perforated pads?
- A. To increase the intensity of soundwaves
- B. To increase the loudness of sound waves
- C. To reduce the effect of reverberation of sound wavesCorrect
- D. To decrease the frequency of sound waves
Explanation
Perforated acoustic pads absorb sound energy and reduce multiple reflections, thereby reducing reverberation.
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