Question

What should be the dimensions and the shape of classrooms so that no echo can be produced there.
no 1 ans​

Answer 1

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For no echo to be produced in a classroom, the classroom should be square shaped with distance between the walls to be less than 17.2 m. Also, the ceiling should be curved shaped so that the reflection of sound wave is uniform throughout the room.

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Answer 2

Explanation:

For no echo to be produced in a classroom, the classroom should be square shaped with distance between the walls to be less than 17.2 m. Also, the ceiling should be curved shaped so that the reflection of sound wave is uniform throughout the room.