radar
Radar sends radio signals and measures echoes. This topic is part of Detection within Technology. This page currently draws on 6 supporting questions, with answers and bonus facts available below.
radar trivia questions
Radar uses what kind of waves to detect objects?
Answer: Radio waves
Bonus fact: Radar sends radio signals and measures echoes.
What does RADAR stand for?
Answer: Radio Detection and Ranging
Bonus fact: The acronym became widely used during World War II.
Radar distance is calculated mainly from the time it takes a signal to do what?
Answer: Travel to the target and back
Bonus fact: Radio waves travel near the speed of light.
What radar-based service manages aircraft traveling between airports at higher altitudes?
Answer: En route control
Bonus fact: Area control centers manage aircraft between terminal regions.
Adaptive cruise control adds the ability to adjust speed based on what?
Answer: Traffic ahead
Bonus fact: Radar or cameras measure distance to vehicles ahead.
Radio waves are widely used for what?
Answer: Communication
Bonus fact: Radio, television, phones, and radar use electromagnetic waves.