Question

What are application of Sonar technique​

Answer 1

Sonar sends a high frequency-sound to the bottom of the ocean. There, the sound waves bounce back when they hit an object. This “paints” a picture of what was hit. Sonar is used to see things at the bottom of the ocean.

Answer 2

NOAA scientists primarily use sonar to develop nautical charts, locate underwater hazards to navigation, search for and map objects on the seafloor such as shipwrecks, and map the seafloor itself.