What does the term RADAR stand for?

• Radio Direction And Roaming

• Radio Designated Angle Reading

• Radiated Distance And Research

• Radio Detection And Ranging

Who discovered that radio waves could reflect off metals?

• Heinrich Hertz

• Thomas Edison

• James Maxwell

• Nikola Tesla

What is the name of the first practical radar system?

• Radiodetector

• Telemobiloscope

• WavefinderScope

• Echoanalyzer

Which war accelerated radar development?

• World War One

• Vietnam Battle

• World War Two

• Korean Conflict

Which marine radar bands are used onboard ships?

• L band and M band

• U band and W band

• A band and Z band

• X band and S band

Which component sends out radar pulses?

• Receiver unit

• Display system

• Transmitter unit

• Processor chip

What process follows reflection in radar sequence?

• Reception phase

• Emission phase

• Transmission stage

• Calculation step

What is the function of a radar receiver?

• Manages fuel systems

• Processes echo signals

• Draws chart graphics

• Generates loud alarms

What is the speed of radar wave travel in air?

• 250,000 km/sec

• 200,000 km/sec

• 300,000 km/sec

• 150,000 km/sec

Which principle allows radar to measure velocity?

• Maxwell theory

• Bernoulli law

• Snell’s formula

• Doppler effect