The phenomena of reverberation is linked to:

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multiple refraction of sound.

multiple reflection of sound.

single refraction of sound.

single reflection of sound.

answer is B.

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Detailed Solution

The auditorium's roof and walls are usually coated with sound-absorbent materials like compressed fiberboard, rough plaster, or drapes to lessen reverberation. The sound-absorbing characteristics of the seat materials are also taken into consideration.

Reverberation is the persistence of sound in a confined enclosure due to continued reflections at the enclosure's walls, floor, or ceiling, even after the source has ceased emitting sound.

From the foregoing, it is obvious that ‘reverberation' refers to the persistence of sound in a closed enclosure due to numerous reflections at the enclosure's walls, floor, or ceiling, even after the source has stopped emitting sound. As a result, option 2 is right.

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