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What should be the dimensions and the shape of classrooms so that no echo can be produced there? |
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Answer» 1. Dimensions: The distance between opposite walls in a classroom must be less than 17.2 m so that the reflected sound returns to the observer within 0.1 s. 2. Shape: The classrooms should have curved ceilings and walls so that the reflected sound is directed towards the observer instantly within 0.1 s. |
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