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Almost everything in the ocean makes some type of noise. Further noise travels 5 times faster in water than it does in air and many time further. Submarines use listening devices known as passive SONAR to listen to the sounds of the ocean. It's a falicy that submarines make dangerous levels of noise. In fact a modern submarine is actually more quiet than the water that it displaces.
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Why do submarines use reflection of sound waves?
For eating ;)
How do submarines target underwater objects?
They use Sonar to send sound waves to the bottom of the oceans.
How are bats dolphins and submarines similar?
All use sound navigation / echo-ranging for navigation.
How sumbarines use ultrasound?
Submarines use the ultra sound in sonar in order to find any hurdles in their path as visibility is very less under water.
Do submarines use oxygen tanks?
Submarines typically use air tanks. Oxygen is very dangerous and very flammable. It's use is very limited on submarines for that reason.
Do submarines use ultrasound?
For tactical use, no. The frequencies are too high to be used for anything tactical. They are often used as part of machines for cleaning mechanical parts aboard ship though. Submarines use sonar (sound navigation and ranging), in much the same way that airplanes use radar (radio detection and ranging).
Why is water a good medium for communication between dolphins?
Sound waves travel very well in water. Warships, including submarines, use passive sonar to listen for enemy ships and submarines. Passive sonar employes underwater hydrophones to listen for sounds. They can detect sounds of ships and submarines miles away. Marine mamals such as whales and dolphins detect sound in much the same way.
What do bats and submarines have in common?
submarines and bats both use sonar. Calvin was here
What do oceanographers use submarines for?
oceanographers use submarines to take pictures of sea life and things that have been found or things that they are looking for.
Is marines the only branch of military that uses submarines?
The marines do not use submarines. Only the Navy does.
How do submarines go forward?
Most submarines have propellers that spin, pushing them forward. A few smaller research submarines use a water jet for propulsion.
What is the use of sonar?
SOund Navigation And Ranging = SONAR Sound is used underwater to bounce off objects. The reflections back can be measured (by electronics) to find our where they are and how far away. Used by submarines, to navigate round obstacles underwater and detect other vessels.
