Question

what is an Echo? explain​

Answer 1

If a person stands at some distance from a wall (or a hillside) and produces a sharp sound he/she hears two distinct sounds

1 the original sound which is heard almost instantly (here the original sound has ceased)

2 the sound heard after reflection from the wall (or hillside) which is called an echo

The sound is only heard if the distance of the person producing sound from the rigid obstacle (or reflector) is long enough to allow the refle

Answer 2

heyaa...

A sound or sounds caused bu reflection of sound waves from a surface back to the listner.

hope it helps uu...

#Dramaqueen⭐