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On or near the surface, submariners 'see' through a periscope mast raised through the fin above the hull from within the submarine's Control Room. In the very latest submarines, the extendable periscopes will be largely superseded by an electronic mast that uses a camera and displays the picture on a monitor. The optronics masts have a closed circuit television (CCTV) camera to use by day or a thermal imaging (heat seeking) camera for use at night or in bad visibility.
Submarines cannot see underwater and so use sound energy to detect obstacles and objects. When under the water the submarine can emit SONAR (SOund Navigation and Ranging) sound waves through the water (know as 'pinging'). The sound wave or sonar ping echo is bounced back to the submarine if it detects another vessel or obstacle.
The strength of the returned signal or sound provides an indication of the range (distance) between the submarine and the other vessel (ship or submarine) or obstacle.
Modern submarines have excellent radio and satellite reception and communications systems and underwater telephones. When sending out sound waves by sonar, a submarine could be detected by another ship or submarine. When wishing to remain undetected, a submarine will listen for and hear sounds underwater through hydrophones (underwater microphones).
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How are submarines used today?
Submarines todaee are used for underwater exploration,funn,new life underwater.
What are underwater vessels?
Submarines?
The reason submarines can detect other underwater objects is largely due to which?
Submarines have sonars.
What do you call a ship that goes underwater?
They are called submarines
Are ironclads and submarines the same thing in 1861?
Ironclads are not the same thing as submarines. Ironclads do not go underwater completely even though the majority of their body may be underwater.
How far can submarines dive underwater?
Straight to the bottom of the ocean.
How are dolphins used in war?
To detect underwater mines and submarines.
How is sonar used for location?
It uses echo location for all underwater submarines and when the signal comes back you will be able to see whats in front of you.
What was the name given to the invention that allowed submarines to be detected underwater?
Sonar
How can nuclear submarines travel underwater?
Just like diesel submarines travel underwater, but for much longer periods as the nuclear engine does not consume the oxygen in the air. The older diesel submarines were limited to running on batteries or using a schnorkel to get air for the engines when underwater, so usually they traveled on the surface like regular ships only submerging to prepare for an attack with torpedoes on passing enemy ships. The nuclear submarines can practically travel underwater forever, until they need to be resupplied with food for the crew.
What is an underwater bomb used to attack submarines?
The weapon described is a depth charge.
Which Instrument is used by submarines underwater to get a view above the surface of water?
periscope
