Question

which property of sound leads of the formation of Echoes?

Answer 1

Eco is formed because as sound travels in wave which get reflect from any surface which results in formation of Eco.

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Answer 2

Heya,

Here's ur answer:

Due to the reflecting property of sound, echo is formed. When sound is produced in an open area, (if) it travels a minimum distance of 17.2 m and and is reflected back after (atleast) 0.1 sec. This repeated sound is known as an echo.

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