Science, asked by bhAkshay, 1 year ago

what is the ment of echo

Answers

Answered by Deepmala8
1
In audio signal processing and acoustics, Echo is a reflection of sound that arrives at the listener with a delay after the direct sound. 
Answered by spinder
4
reflection of sound that arrives us after when we speak near a valley it strikes on sides of valley make echo .
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