It is called an echo.
This is called reflection of sound. It's like a sound wave bouncing on a trampoline.
It is often called an 'echo'.
Reflection
Reflection
An echo.
This is called reflection of sound. It's like a sound wave bouncing on a trampoline.
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 is often called an 'echo'.
Reflection
Reflection
A wave reflection.
An echo.
reverberation.
it changes
It is a reflection.
reflection
reflectionWhen a wave bounces off a surface, it is said to have been reflected and the wave is called a reflection.reflectionWhen a wave bounces off a surface, it is said to have been reflected and the wave is called a reflection.