UPSC via PYQs
UPSC Prelims 1980Question 116Science & Technology

Radar is used for

Options

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

The full breakdown is part of the paid archive

This question's answer, explanation and links to every related question across 48 years (1979–2026) are inside the app. The two most recent years are free to read in full — no account needed.

See what's inside →

Related questions the exam has asked

Independent UPSC previous-year-questions study tool — not affiliated with or endorsed by the UPSC. Question text is reproduced from publicly released UPSC examination papers.
UPSCviaPYQs · Privacy · Terms