Q.4) What is an echo?
Answers
Answered by
0
Answer:
a sound or sounds caused by the reflection of sound waves from a surface back to the listener.
"the walls threw back the echoes of his footsteps"
Answered by
1
Echo means the reflection of sounds it happens because of the sound waves the sound waves bounce back
We can here echos in mountains , caves and canyons
The sound waves bounce back mainly in hard surfaces
The minimum distance to here an echo is 17 meter
Attachments:
Similar questions