In a large cave, you can hear an echo a few seconds after you speak.?

Question

Explain how this happens in terms of wave properties.

Answer 1

Sound waves reflect and refract. Because rock is hard, and sound waves bend as they pass through, much of the wave is refracted and reflected towards you, known as an echo.

Answer 2

Ok im not genius im only 12 but it has something to do with sound waves g2g bye srry

Answer 3

the sounds that you make bends, the sound then hits the rocks then bounces back to you