5 нояб. 2020 г. · An echo occurs when a sound wave isA absorbed. B. reflected. C. refracted. D. transmitted 3. What happens to the speed of sound as the ...

17 дек. 2020 г. · 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 ...

Echoes. Sound waves can reflect off surfaces. We hear reflected sound waves as echoes. Hard, smooth surfaces are particularly good at reflecting sound. This is ...

27 июн. 2024 г. · An echo occurs when a sound wave is reflected back to the listener after hitting a hard surface. Your question has been solved.

Flexi Says: An echo is an example of a sound wave. It occurs when a sound wave reflects off a surface and travels back towards the source.

3 июл. 2022 г. · Echo: An echo is a sound caused by the reflection of sound waves from a surface back to the listener. It is the reflection of sound ...

Echoes occur when a reflected sound wave reaches the ear more than 0.1 seconds after the original sound wave was heard. If the elapsed time between the arrivals ...

When sound waves hit hard surfaces, they may be reflected back as an echo if you're far enough from the hard surface that reflected the sound. If you're not far ...

An echo is the reflection of sound waves off surfaces or boundaries, resulting in the delayed and distinct repetition of a sound. It occurs when sound waves ...