Question

Explain
Echo
with
the help of
example,
​

Answer 1

Answer:

echo is a reflection of sound that arrives at the listener with a delay after the direct sound

Explanation:

condition- The distance between the sound source and the reflecting surface must not be less than 17 metres

Answer 2

Answer:

echo be repeated or reverberate after the original sond has stope

Example = repeating of sound created by footsteps in an empty marble hallway