Sound echoes off of virtually everything, but the echoes are usually too scattered or diminished to be heard. The shape of deep valleys allows echoes to reflect off the valley walls and back to you without being diminished too much.
(There are some blind people who have trained themselves to know the proximity of nearby objects through echo location, similar to the way bats do.)
Ultrasound imaging uses the echoes of sound waves to create images of deep structures in the body. High-frequency sound waves are transmitted into the body and the echoes that bounce back are used to create real-time images of internal organs and tissues.
Echoes demonstrate the reflection behavior of sound waves, where sound waves bounce off a surface and return back to the listener's ears.
Reflection is responsible for the echoes of sound. When sound waves encounter a surface, they bounce back, creating an echo.
Repeated echoes of sound are called reverberations. This phenomenon occurs when sound waves reflect off surfaces and create a delay in the perception of the original sound.
Echoes occur when sound waves reflect off of a surface and return to the listener's ears after a short delay. This behavior is known as sound wave reflection.
Ultrasound imaging uses the echoes of sound waves to create images of deep structures in the body. High-frequency sound waves are transmitted into the body and the echoes that bounce back are used to create real-time images of internal organs and tissues.
Ultrasound imaging uses the echoes of sound waves to create images of deep structures in the body. Sound waves are sent into the body, bounce off tissues, and are then detected to create real-time images of organs, muscles, and other structures.
Ultrasound imaging, also known as sonography, is the diagnostic technique that creates images of deep body structures by recording the echoes of pulses of sound waves above the range of human hearing.
The term used for narrow deep valleys is "ravine."
Echoes means the repetition of a sound caused by the refection of sound and waves.
Ultrasound
Reverberations.
Those deep valleys are mainly in Wales, in the southwest of Britain.
Echoes of sound and images in a mirror involves sound waves and light waves respectively being reflected off a surface.
its reverberation
Echoes
Sonar uses echoes to locate objects by bouncing sound waves off them and detecting the echoes.