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because they are used for under water sounds and a radar is used in space. Sonar means SOund Navigation And Ranging for underwater. Radar picks up radio waves for above water including space.
Wiki User
∙ 15y ago
Anonymous
Sonar uses sound waves. Sound waves need to travel through a physical medium e.g. air or water. Space is a near-vacuum, hence sound waves do not travel through space.
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What body systems are used when eating cheese?
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What are applications of toggle joints in mechanical systems?
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Where is the intrathecal space located?
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What is sonar and how does it detect aeroplanes?
Sonar is the generic name of the technology that is used to locate objects underwater. Sonar systems are of two basic types - active and passive. In active sonar the system let's out a pulse of sound and then the operator listens for echoes. The passive sonar the operator listens to sounds emitted by the object one is trying to locate.
Form of sonar used to locate enemy submarines by ultrasonic waves?
Due to their short ranges, ultrasonic (>20khz) frequencies aren't used for ship or submarines' primary Active Sonar systems. Though the actual frequencies used are classified, I can say that they're nowhere near the ultrasonic range. Submarines do employ ultrasonic frequency detection systems that are passive sonar based, but they're primarily for detecting active sonar from homing torpedoes. They're also annoying for detecting any bottle-nosed dolphins in the area when you're at Periscope Depth.
How were sonar systems used in World War 2?
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.
When was sonar first used on submarines and who used it?
The earliest use of Submarine Sonar was by the British Royal Navy. In 1915, 10 British H class submarines were equipped with the first passive sonar system, known as a Fessenden Oscillator. The FO was able to detect a target, but could not establish a bearing, which is critical to target tracking. Further research into Hydrophone and Transducer technology eventually led to active and passive sonar systems, though those old systems were extremely basic by today's modern sonar standards. However, little has changed except for the bells and whistles on modern systems. Submarine Sonar, like then, still use Transducers and Hydrophones for operation. The only thing that has changed is how the information is processed and displayed to the operator. The Oceans haven't changed much either.
Sonar is used to find?
Sonar (SOund NAvigation and Ranging) is used to find objects. Sonar is used to find ships, submarines, mines, and other objects in the Navy. Sonar is used in Medicine to find unusual tumors, organs, and cells. Sonar is used in Geology to find minerals, oil, rock formationsn, and water .
Can sonar use in periscope depth?
Yes sonar can be used at periscope depth. Surface ships also have sonar arrays on them. They are usually used to detect submarines.
What is used to map mid ocean ridge?
sonar,is used to map mid-ocean ridges:]
Why is sonar useful when fishing?
Sonar can be used to locate large shoals of fish.
What is the difference between Sonar and Ultrasound?
sonar is used to detect big penises
What is one event where sonar was used in World War 2?
Sonar was used to detect and hunt submarines in WW2
Why sonar is not used in place of radar?
Sonar is used below water. Radar is used in the air. For Sonar to be used in the air, the sound would be deafening. The noise from an airplane at a low altitude flying faster than the speed of sound broke many windows across the United States. People can go deaf if constantly exposed to sound greater than 120 decibels. To use sonar in place of radar would require several thousand decibels.Another answer:Bats use sonar in air and their chirps are not deafening. Sonar is used on automotive parking and backing sensors. Robotic systems commonly use sonar to measure the range of objects. Some blind people have developed the technique and teach it to others--clicking or hissing to navigate in unfamiliar surroundings (it's really not hard). Doppler sonar is used in meteorology, particularly around airports, to measure windspeed, direction and turbulence aloft. Sonar is not used in place of radar because its useful range is limited--not because it would be deafening. The highest power terrestrial sonar devices have a range up to 3 km, but only emit about 40 dBA.
Can sonar be used out of water?
sonar can not be used outside water it is used under water to transmit sound waves through ultrasonic pulses
