UPSC Prelims 2003 Q12: Science & Technology – Space Technology & Astronomy
Consider the following statements:
1. India launched its first full - fledged meteorological satellite (METSAT) in September 2002.
2. For the first time, the space vehicle PSLV - C4 carried a payload of more than 1000 kg into a
geosynchronous orbit.
Which of these statements is/are correct?
- (a) Only 1
- (b) Only 2
- (c) Both 1 and 2
- (d) Neither 1 nor 2
Answer: (c) Both 1 and 2
Explanation
METSAT and PSLV-C4
| Statement | Verdict |
|---|---|
| 1. India launched its first full-fledged meteorological satellite in September 2002 | True — METSAT (later Kalpana-1), 12 September 2002 |
| 2. PSLV-C4 carried a payload of more than 1000 kg into geosynchronous orbit for the first time | True — about 1,060 kg into geosynchronous transfer orbit |
Both statements are correct.
Answer: (c) Both 1 and 2.
Why each option is right or wrong
- (a) Incorrect. Statement 2 is also correct.
- (b) Incorrect. Statement 1 is also correct.
- (c) CORRECT. Both statements are correct.
- (d) Incorrect. Both statements are correct.
Key point
METSAT: renamed Kalpana-1 after Kalpana Chawla; launched by PSLV-C4 on 12 September 2002.
Remember
METSAT was launched by PSLV-C4 in September 2002.
Common mistakes
- Thinking METSAT was launched by the GSLV.
- Forgetting that METSAT became Kalpana-1.
- Mixing it up with INSAT-3A of 2003.
Exam tip
PSLV-C4: first PSLV to place a satellite in geosynchronous transfer orbit.
Sources
- ISRO — METSAT mission
- Indian Space Research Organisation — PSLV-C4: launch of METSAT (Kalpana-1), 12 September 2002