space medium Fill in the Blank

The RISAT series of satellites developed by ISRO use _______ radar for earth observation.

  1. Optical
  2. Synthetic Aperture Radar (SAR)
  3. Infrared
  4. Ultraviolet

Answer: Synthetic Aperture Radar (SAR)

RISAT (Radar Imaging Satellite) series uses Synthetic Aperture Radar (SAR) technology, which allows imaging day and night, and through cloud cover, unlike optical satellites.

Topic Space Technology - Satellites
Exam Relevance SSC CPO, Railway JE
More space Questions Back to all questions