Home PYQs UPPSC UPPSC MCQs Prelims 1996 (GS Paper I)

Question

Radar is used for:

  1. Detecting objects by using light waves
  2. Reflecting sound waves to detect objects
  3. Determining the presence and location of objects with radio wave
  4. Tracking rain-bearing clouds

Answer:

Option C: Determining the presence and location of objects with radio wave

Detailed Solution:

The correct answer is “Determining the presence and location of objects with radio wave”.

Radar, which stands for Radio Detection and Ranging, is an electromagnetic system that uses radio waves to determine the distance, direction, and velocity of objects relative to its location.