Question

What is the principle of RADAR ? Write the applications of RADAR.

Answer 1

Radar was originally devised as an instrument to detect approaching ships or aircraft. Practice and experience in reading the scope soon showed that radar could do much more. By plotting the successive position of enemy ships and aircraft, you could determine their course and speed. Further experience made it possible to determine whether the target was a battleship, destroyer, aircraft, or a group of targets. Also, an aircraft's altitude could be determined