Radar Technology Quiz

What is the primary function of radar?

• To locate distant objects

• To measure temperature

• To detect sound waves

• To transmit television signals

Which type of radar relies on an aircraft sending signals?

• Primary radar

• Secondary radar

• Weather radar

• Ground-penetrating radar

What does primary radar use to determine an aircraft's position?

• Ultrasound

• Laser beams

• Radio waves

• Infrared signals

What is a transponder?

• A device that sends and receives signals

• A radar-absorbing material

• A device that reflects radio waves

• A type of radar

What is one application of radar outside of air traffic control?

• Television broadcasting

• Ocean surveys

• Weather forecasting

• Sound detection

How does radar calculate the distance to an aircraft?

• By using GPS coordinates

• By analyzing the aircraft's shape

• By timing the radio waves' travel

• By measuring the aircraft's speed

What technology is used to make military aircraft harder to detect?

• Optical technology

• Acoustic technology

• Stealth technology

• Infrared technology

What does ground-penetrating radar (GPR) do?

• Detects weather patterns

• Maps the surfaces of planets

• Tracks aircraft in flight

• Reveals objects below the ground

What is the role of the control tower in radar systems?

• To analyze radar information

• To transmit radio waves

• To design aircraft

• To build radar equipment

What happens to radio waves when they encounter large metal objects?

• They are transmitted

• They are absorbed

• They are scattered

• They are reflected