make an echo
When the sound is reflected.
When the sound waves are reflected, the result in the producing of an echo.
ultrasound
An echo.
echo
When the sound is reflected.
When the sound waves are reflected, the result in the producing of an echo.
Produced by reflected sound waves over 17m away?
ultrasound
echo!
what is the name given to the reflected sound waves in a cave or an empty hall
An echo.
echo
Compression waves happen when particles within a wave are close together rather than spread out. Anything that has a sound is a compression wave that can be heard.
A reflected sound waves is called an echo.
sonar
9000