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Categories >> Sciences >> Chemistry >> General Chemistry
 
 


 

 
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Question
Why is sometimes a succession of echoes heard ?
 Question Submitted By :: General-Chemistry
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
When there are two opposite reflecting surface at a proper
distance, reflection of sound waves takes place
alternatively form the two walls. When there are a number of
surfaces at suitable distance, then reflection of sound
takes place t all such surfaces, and hence a succession of
echoes is heard.
 
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