Waves and the Earth - Sonar

The video explains sonar technology, its historical use in locating the Titanic, and how it works by emitting sound waves and analyzing their echoes to determine the depth of submerged objects. It provides a calculation example using sonar to find the depth of the Titanic wreck and discusses sonar's applications in fishing and shipwreck detection.

What technology has been used since 1906 to detect submerged objects?

How does sonar determine the depth of an object underwater?

What is the speed of sound in water as mentioned in the video?

If a ship records a time lapse of 5 seconds while using sonar, how deep is the Titanic wreck?

In what ways do fishing boats utilize sonar technology?