Question

define echo what is the minimum distance between the source and reflector to heat an echo ​

Answer 1

Answer:

Echo is the repetition of sound after the original sound has ceased after hitting from a reflector. The minimum distance between the source and reflector to hear an echo ​in air is 17m(approximately) and in water is 70m(approximately)

Explanation:

Answer 2

Answer:

Echo is defined as the sound caused by the reflection of sound waves from a surface back to the listener.

The minimum distance between the source and the reflector to hear an echo is 17 m.