Question

Give one reason for the use of ultrasonic waves for echo depth sounding.

Answer 1

1. In the case of echo depth, we locate the position of the object/obstacle which is present in deep water.
2. We need such waves which can travel un-deviated through long distances.
3. Ultrasonic waves are used for echo depth sounding because of their high frequency.
4. As the waves with large frequency and small wavelength can travel un-deviated through long distances.

Thus, the ultrasonic waves are used for echo depth sounding due to their large frequency.