Question
Thu December 29, 2011 By:

if we hear a louder sound we usually close our door as in solid sound travels more faster so when we close door why we hear lesser sound

Expert Reply
Thu December 29, 2011
Doors & windows block the entry of the air carrying sound waves from reaching our ears.And no door or window reaches your ear. They stand away from us and what ever amount of sound energy they absorb will not reach our ears.
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