alleryReverberation refers to:
AA single distinct echo bouncing from one far wall
BPersistence of sound via multiple reflections in a closed space
CThe bending of sound waves when it enters water from air
DThe Doppler shift in frequency when the source moves quickly
Answer & Solution
Correct answer: B. Persistence of sound via multiple reflections in a closed space
Reverberation is the persistence of sound due to multiple reflections inside a closed space (hall, room).
Architects use sound-absorbing materials to control reverberation in cinema halls.
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