Question

what is echo? what causes an echo.....​

Answer 1

Answer:

hii buddy........

Explanation:

Sound Waves and Echoes

Sound Waves and EchoesThis called an echo. The sound waves left your mouth, traveled through the air, hit a hard surface, such as a wall, and then bounced back again, causing you to hear the sound again. An echo is made by sound waves bouncing off a hard surface

hope it helps......

Answer 2

Answer:

$\huge\bold\star\pink{Echo}\star$

In audio signal processing and acoustics, echo is a reflection of sound that arrives at the listener with a delay after the direct sound. ... Typical examples are the echo produced by the bottom of a well, by a building, or by the walls of an enclosed room and an empty room.

$\huge\bold\star\pink{What causes echo}\star$

Echoes. An echo is a sound that is repeated because the sound waves are reflected back. Sound waves can bounce off smooth, hard objects in the same way as a rubber ball bounces off the ground. ... That is why echoes can be heard in a canyon, cave, or mountain range.