North Carolina RADAR State Practice Exam

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Prepare for the North Carolina RADAR State Exam with essential insights and practice questions to boost your confidence. This comprehensive resource will guide you through the exam requirements, helping you maximize your chances of success.

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What is the approximate wave length of X-Band RADAR signal?

1 centimeter
3 centimeters
5 centimeters
10 centimeters

The correct answer is: 3 centimeters

The approximate wavelength of an X-Band RADAR signal is around 3 centimeters. X-Band typically refers to microwave radio frequencies in the range of 8 to 12 gigahertz (GHz). When calculating wavelength, the frequency of the signal can be used in conjunction with the speed of light (approximately 3 x 10^8 meters per second) to determine the wavelength using the formula: Wavelength (λ) = Speed of Light (c) / Frequency (f) In the case of X-Band RADAR, with frequencies in the specified range, the resultant calculations yield wavelengths that approximate 3 centimeters. This characteristic makes X-Band RADAR suitable for applications needing higher resolution and accuracy, such as weather forecasting and certain military applications. Understanding the wavelength helps in grasping the performance characteristics of RADAR systems operating in this frequency range.