SSC class 9 :chapter 12 ;why we cannot hear echo produced in a classroom ?
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Answered by
2
Because of furniture.
Furniture absorbs all the sound created in the class.
Also it depends on the size and space in the class.
hope it helped....
Furniture absorbs all the sound created in the class.
Also it depends on the size and space in the class.
hope it helped....
Answered by
1
because there is a lot of furniture and hard substances absorb sound
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