What should be the dimensions and the shape of classrooms so that no echo can be produced there? Answer the following question in your own words.
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Length of classroom should be less than 17 meters so that NO ECHO IS HEARD maybe you can put velvet carpets and make perforations on walls so chances of echo being heard is zilch
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The classroom should not be oval, spherical, cube or square in shape because in such shapes buildings the echo can be higher.
The class room must be spacious for uniform distribution of sound. The sound should be in 70 decibel.
The arrangement of the students' desk should be spacious. If the walls of the class room is coated with sound proof materials then echo may be reduced.
In the smart class rooms where TV or LED projectors are used, in order to avoid echo and it should be kept in vertical plane bisecting the central space.
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