WBCS.LIVE practice question

Modern RADAR systems predominantly use which type of electromagnetic waves to detect aircraft and ships?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. X-rays
  2. Infrared waves
  3. Radio waves
  4. Ultraviolet rays

Correct answer and explanation

Correct answer: Radio waves

Explanation: āœ… Correct Answer: C) Radio waves šŸ“š Explanation: RADAR stands for Radio Detection and Ranging. These sophisticated systems continuously transmit short pulses of radio waves or microwaves into the atmosphere. When these electromagnetic waves hit an object like an airplane or ship, they bounce back to the receiver, heavily helping to determine the object's exact location, speed, and direction.