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They were used by submarines to navigate when not in open waters, They were also used by submarines and anti-submarine ships to locate enemy submarines.

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Was sonar used in World War 2?

yes


What is one event where sonar was used in World War 2?

Sonar was used to detect and hunt submarines in WW2


How has sonar technology evolved from past to present?

Sonar technology has evolved from passive sonar systems used in World War I to active sonar systems that emit sound waves and detect their reflections. Modern sonar systems use advanced signal processing and computer algorithms for higher precision and improved target detection capabilities. Additionally, new developments in underwater acoustics have led to the use of multibeam sonar systems for mapping and imaging the seafloor with high resolution.


What did allies used against submarine attacks in World War 1?

sonar


How did sonar help in World War 2?

Sonar was used widely in World War II in an effort to locate enemy submarines. It wasn't as sophisticated as it is today, but it did help. Actual numbers are difficult to come by, but sonar was effective in the successful attacks on several submarines.


Who used sonar first?

The first documented use of sonar was during World War I by the British Royal Navy to detect submarines. The technology was further developed during World War II for anti-submarine warfare.


When was sonar first used and by whom?

Sonar was first used during World War I by the British Royal Navy. It was used to detect submarines by emitting sound waves and analyzing the echoes that bounced back.


What was the first vessel to use sonar in World War 2?

Not used in WWI, it was designed as a part of Manhattan Project and used on submarines and other vessels during WWII.


Underwater detector in world war 2?

Sonar


Which of these was not aweapon introduced in World War 1?

sonar


What is a underwater detector during world war 2?

sonar


What was not a new weapon developed during ww1?

Sonar was not introduced in World War 1.