Question

What is sonar?breifly explain echo ranging technique with a diagram

Answer 1

SONAR IS THE TALKING TECHNIC OF BAT AND DOLPHINS etc. BY THE HELP OF ULTRASOUND BY USING SOME SPECIAL PARTS.


ECHO IS PRODUCE ONLY IN DISTANCE OF 17 M OR ABOVE. IT ACTS WHEN A SOUND REFLECTS FROM THE REFLECTING SURFACE IN 1/10 sec.