Question

What is echo depth ranging?

Answer 1

Application of sound:

1. Since sound follows laws of reflection, it has various applications in ranging and understanding the distance between objects.
2. One such application is Echo Depth Ranging. Observe the image below:

3. Here at the base of the boat a transmitter and receiver at fitted.

4. The transmitter emits ultrasonic waves which reflect on the floor of sea and reflect back.

5. This is how the depth of sea floor is measured.

Thus, this is Echo Depth Ranging.