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GK QUESTION#3021

Why may appropriately designed curved acoustic reflectors be used in auditoriums and cinema halls?

  1. ATo allow reflected sound to spread to every part of the hallCorrect answer
  2. BTo completely block sound waves
  3. CTo direct sound only toward the stage
  4. DTo reduce the intensity of sound waves
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Answer

A. To allow reflected sound to spread to every part of the hall

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Explanation

An appropriately shaped acoustic reflector redirects sound to distribute it across the audience. Curved ceilings or soundboards can serve this purpose when designed for the hall. Curvature does not automatically ensure uniform sound or eliminate unwanted echoes.

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