Space Technology

1. The Indian National Space Promotion and Authorisation Centre (IN-SPACe) is an autonomous agency formed to facilitate participation of private entities.
2. Agnikul Cosmos launched the world's first flight using 3D-printed rocket engine.
3. Skyroot Aerospace has developed liquid fuel for GSLV.

1. It is designed to provide additional accuracy and integrity.
2. It will allow more uniform and high quality air traffic management.
3. It will provide benefits only in aviation but not in other modes of transportation.

1. RTGs are miniature fission reactors.
2. RTGs are used for powering the onboard systems of spacecrafts.
3. RTGs can use Plutonium-238, which is a by-product of weapons development.

1. Ballistic missiles are jet-propelled at subsonic speeds throughout their flights, while cruise missiles are rocket-powered only in the initial phase of flight.
2. Agni-V is a medium-range supersonic cruise missile, while BrahMos is a solid-fuelled intercontinental ballistic missile.

1. Chlorophyll content in the vegetation of a specific location
2. Greenhouse gas emissions from rice paddies of a specific location
3. Land surface temperatures of a specific location

1. Mobile phone operations
2. Banking operations
3. Controlling the power grids

1. Assessment of crop productivity
2. Locating groundwater resources
3. Mineral exploration
4. Telecommunications
5. Traffic studies

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.

1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
3. Comets show a perceptible glowing tail, while asteroids do not.

Consider the following statements in respect of a jet engine and a rocket:

1. A jet engine uses the surrounding air for its oxygen supply and so is unsuitable for motion in space.
2. A rocket carries its own supply of oxygen in the gas form, and fuel.

Which of the statements given above is/are correct?

Which one of the following pairs is not correctly matched?

Well-known Place―Country

Match List I with List II and select the correct answer using the codes given below the lists:

Consider the following statements regarding asteroids:

1. Asteroids are rocky debris of varying size orbiting the sun
2. Most of the asteroids are small but some have diameter as large as 1000 km
3. The orbit of asteroids lies between the orbits of Jupiter and Saturn of these statements: