Question

What is the meaning of SONAR (Sound Navigation And Range)?

Answer 1

Hint:SONAR is a system that detects as well as locate the object under water by emitting sound pulses and detecting or measuring their return after being reflected.It is generally used to find objects under water using this system.

Complete answer:
SONAR is also known for sound navigation and ranging which is helpful for exploring and knowing more about the ocean.Sonar is a technique which is used for detection and determination of distance and direction of the objects present underwater. A sound wave is used under water then the wave hits the object present under the water and it is reflected back from the object which the sonar apparatus detects and analyzes the information that the wave contains. This means the sound waves travel farther in water than do radar and light waves.

It is generally used on ships to discover how deep the water is or the position of an object in the water like a whale or shark. It is a very useful technique to detect the object inside water because many underwater creatures destroy the ship sailing on the ocean or sea.With the help of this many teachers, workers and students gather information about what is going inside the water.There are two types of sonar:
-Active sonar
-Passive sonar

Note:Sonar consists of a transmitter which transmits the wave and a receptors which detect the object.In short you can remember that it navigare the sound wave and detect the range of the object under water.It has three main uses: detect distance, direction and speed of underwater object.