write short note on Sonar technique
Answers
Explanation:
Sonar is simply making use of an echo. When an animal or machine makes a noise, it sends sound waves into the environment around it. Those waves bounce off nearby objects, and some of them reflect back to the object that made the noise. ... The range of low-frequency sonar is remarkable.
sonar technique is a method of detecting some unusual particles for machines or something which is present inside water it is generally used in submarines to detect enemies or some animals underwater which could harm the submarine. the transmitter is placed at what end of the submarine and receiver is placed at the other end the transmitter throws some ultrasonic waves which travel through water and if there is something present inside water it reflects back by touching it to the receiver and through which we can tell that there is something present inside the water or some enemies submarine may present inside water for some activities.It's also used to determine the depth of the the sea level
Mark As BRAINLIEST If it Helps