Question:

What type of energy is used in radar systems? TRIVIA please answer ASAP chemical, electrical, light or sound??

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please answer A.S.A.P

A. chemical

B. electrical

C. light

D. sound

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3 ANSWERS


  1. It's light. RADAR is an acronym. It uses radio waves. Which is a type of light. Just not visible light.


  2. b

  3. B. electrical

    WIKI Quote ...

    "Radar is a system that uses electromagnetic waves to identify the range, altitude, direction, or speed of both moving and fixed objects such as aircraft, ships, motor vehicles, weather formations, and terrain. The term RADAR was coined in 1941 as an acronym for Radio Detection and Ranging. The term has since entered the English language as a standard word, radar, losing the capitalization. Radar was originally called RDF (Radio Direction Finder) in Britain.

    A radar system has a transmitter that emits radio waves that are reflected by the target and detected by a receiver, typically in the same location as the transmitter. Although the radio signal returned is usually very weak, the signal can be amplified. This enables radar to detect objects at ranges where other emissions, such as sound or visible light, would be too weak to detect. Radar is used in many contexts, including meteorological detection of precipitation, measuring ocean surface waves, air traffic control, police detection of speeding traffic, and by the military."

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