In many models of wave motion reflected waves are inverted. Some models have another mode.
When the sound waves are reflected, the result in the producing of an echo.
The waves energy is totally reflected. Conservation of energy.
ultrasound
sonar
An echo.
When the sound waves are reflected, the result in the producing of an echo.
Reflected but not inverted
The waves energy is totally reflected. Conservation of energy.
Produced by reflected sound waves over 17m away?
echo!
what is the name given to the reflected sound waves in a cave or an empty hall
ultrasound
The waves will be bent or reflected.
sonar
An echo.
A+ true
echo