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With reference to India's satellite launch vehicles, consider the following statements: 1. PSLVs launch the satellites useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites. 2. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location on Earth. 3. GSLV Mk III is a four- staged launch vehicle with the first and third stages using solid rocket motors; and the second and fourth stages using liquid rocket engines. Which of the statements given above is/are correct?
Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be on such an orbit when: 1. The orbit is geosynchronous. 2. The orbit is circular. 3. The orbit lies in the plane of the Earth's equator. 4. The orbit is at an altitude of 22,236 km. Select the correct answer using the codes given below: 
Which of the following statements are correct for rockets? 1. Unlike the turbo-jet aircraft, in rockets the flight velocity can exceed the jet velocity 2. In rockets gases having lower molecular weight increase the specific thrust 3. In rockets the gases are expanded in the nozzle up to the atmosphere pressure.
Match the following pairs: Launch Vehicle Satellite  i. Satellite Launch Vehicle -  3 (SLV - 3)  A. Chandrayaan - I  ii. Augmented Satellite   Launch Vehicle (ASLV)  B. Rohini  iii. Polar Satellite Launch   Vehicle (PSLV)  C. SROSS - C  iv. Geosynchronous   Satellite Launch Vehicle   (GSLV)  D. EDUSAT Which of the following codes are correctly matched?
ISRO launched the 51st mission of Polar Satellite Launch Vehicle (PSLV) in November 2020. The carrier vehicle PSLV C49 will deliver how many satellites in all with EOS-01 as the primary one?
On 17 January 2021, Virgin Orbit the California-based satellite launch company recently launched its Launcher One rocket to orbit. What statements is/are CORRECT regarding the rocket? 1. It places the satellites in Sun Synchronous Orbit 2. It is the first all liquid-fuelled air-launched orbital rocket 3. It is capable of carrying payloads of up to 500–600 kg to a 310-mile-high (500-km) polar orbit Select the correct answer using the code given below. (A) 1 only (B) 2 only (C) Both 1 and 2 (D) Both 2 and 3
List of few satellites manufactured by ISRO is given below along with the date of their launch. Which two of the following Satellites failed to reach the orbit ? Satellite Launch Date A. GSAT-2 8th May, 2003 B. GSAT-4 15th April, 2010 C. GSAT-5P 25th December, 2010 D. GSAT-12 15th July, 2011
The launch of which of the following communication satellites onboard the Polar Satellite Launch Vehicle (PSLV-C50), is scheduled in December 2020 from the Satish Dhawan Space Centre at Sriharikota?
S1: Today the Earth has many satellites besides the moon.
P: But the pull of the Earth keep them from doing so.
Q: The artificial satellites do not fall because they are going too fast to do so.
R: They are artificial satellites made by man and very much smaller than the man.
S: As they speed along, they tend to go straight off into space.
S6: As a result, they travel in an orbit round the Earth.

The Proper sequence should be:
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: 1. Some cars are rockets. 2. All rockets are engines. Conclusions: I. Some engines are rockets. II. Some engines are cars.