The GATE Grind

GATE 2023 AR — Planning – Question 61

Data Analysis, Remote Sensing and Geo-informatics · Basic concepts in satellite remote sensing, satellites, sensors, and coverage · 2 marks · Multiple choice

Match satellite applications P cyclone monitoring, Q communication, R high-resolution imaging, S navigation with 1 IRNSS-1I, 2 HySIS, 3 GSAT-30, 4 CARTOSAT-3, 5 SCATSAT-1.

  1. P–5; Q–3; R–4; S–1
  2. P–3; Q–5; R–1; S–4
  3. P–5; Q–2; R–4; S–3
  4. P–2; Q–3; R–5; S–1

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Correct answer: (A) P–5; Q–3; R–4; S–1

Explanation

SCATSAT-1 provides ocean-wind observations useful for cyclone monitoring; GSAT-30 is a communications satellite; CARTOSAT-3 provides high-resolution imagery; IRNSS-1I supports navigation. The sequence 5, 3, 4, 1 is A. The final character of IRNSS-1I is the letter I.

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