A. light waves on it
B. microwaves on it
C. radio waves on it
D. ultra high frequency waves on it
Submitted by: Abid Hussain
Radar, which stands for radio detection and ranging, is a system that uses reflected radio waves to detect objects and measure their distance and speed. For example, police use radar to calculate the speed of cars.
Correct Answer: radio waves on it ✔
Last Updated: February 16, 2022