Question

Originally developed in 1935, what radio-

based detection and ranging system was

improvised during World War II to track air

planes?


A Radar

B. Sonar

C. Laser

Answer 1

A. Radar (Radio Detection and Ranging) was originally developed in 1935 and was improved during World War II to track airplanes. Sonar (Sound Navigation and Ranging) is a similar system that uses sound waves to detect objects underwater, while LIDAR (Light Detection and Ranging) uses lasers to create maps of the terrain.

Step-by-step explanation: