In Greek mythology Echo was a nymph cursed by Hera with a speech impediment. Echo could only repeat what others said.
echo
An echo is a sound wave that has bounced off a surface
Echo..... Yes most certainly an echo.
It is called an echo.
The curtains absorb the sound waves and the waves are not bounced back so we do not get an echo.
That would be an echo.
Sound is a wave that travels through air and an echo usually occurs when you are surrounded by walls or in a tunnel of some sort. The sound wave that comes back to you has already hit the wall and bounced back so you can hear it again.
A bounced sound wave is acalled an echo. You can hear these echos when you yell into a cave or a crevasse or an abyss.
it takes about a second or two for a sound to come back as a echo
you can try, but the echo sound test lady will not chat back.
An Echo.
to produce an echo, the sound wave bounces off a surface and then comes back