In a large telecommunications auditorium, perforated absorbent materials are used to line the ceiling so as to

Assessment: JAMB UTME - Physics - 2007 Subject: Physics

Question 1 Report

Increase the reverberation of sound in the hall

increase the amount of echo in the hall

reduce the hight of the ceiling from the floor

reduce the reverberation of sound in the hall

Answer Details

The purpose of perforated absorbent materials in a telecommunications auditorium is to reduce the reverberation of sound in the hall. Reverberation is the persistence of sound in an enclosed space after the sound source has stopped. The use of absorbent materials helps to reduce this effect, creating a clearer and more intelligible sound. Therefore, option D is the correct answer.

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Thermal Expansion

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Propagation Of Sound Waves

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In a large telecommunications auditorium, perforated absorbent materials are used to line the ceiling so as to

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