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An echo.
reflection of sound is the property which causes an echo........
Reflection
Sound can be reflected off things - a reflection of sound is called an "echo" and can be heard.
The word is "echo." From Merriam-Webster's online dictionary: echo noun \ˈe-(ˌ)kō\ plural ech·oes also echos Definition of ECHO 1 a : the repetition of a sound caused by reflection of sound waves b : the sound due to such reflection
An echo is a sound caused by the reflection of sound waves.
A wave reflection.
An echo.
reflection of sound is the property which causes an echo........
Echo.
Reflection
Sound can be reflected off things - a reflection of sound is called an "echo" and can be heard.
An echo or reverberation.
The word is "echo." From Merriam-Webster's online dictionary: echo noun \ˈe-(ˌ)kō\ plural ech·oes also echos Definition of ECHO 1 a : the repetition of a sound caused by reflection of sound waves b : the sound due to such reflection
A reflected sound waves is called an echo.
It is called an echo.
It is a reflection.