science & tech MCQ section 2 MCQ Questions & Answers Detailed Explanation

Answer: (c)

IRNSS will be used for both civil as well as defence purpose. All the four satellites have been launched by PSLV.

Answer: (c)

Anil Ambani will take over as chairman of Pipavav Defence as Reliance Infrastructure has acquired it.

Answer: (b)

A geostationary satellite is a satellite whose orbit on the Earth repeats regularly over point on the Earth over time. The orbit of the satellite is known as geosynchronous/ geostationary orbit. It has an approximate height of 35000 km from the surface of the Earth.

Answer: (b)

INSAT-2E is an Indian geostationary communications and weather satellite that is operated by the Indian Space Research Organisation as part of the Indian National Satellite System. It is positioned in geostationary orbit at a longitude of 83° East, from where it is used to provide communications services to Asia and Australia.

It also carries two meteorological instruments; the Very High-Resolution Radiometer, and a CCD camera capable of returning images with a resolution of one kilometre.

INSAT-2E was launched by Arianespace, using an Ariane 42P carrier rocket flying from ELA-2 at the Guiana Space Centre in Kourou. The launch occurred at 22:03 GMT on 2 April 1999.

Answer: (a)

Sprint-A is the first space telescope dedicated to observing the environment of planets in the solar system (Venus, Mars and Jupiter). The telescope is located in earth’s orbit and fluctuating between 950 km and 1150 km.

Answer: (b)

Astra is a single stage solid fuelled missile. It can be integrated with all the major fighter planes of Indian Air Force. Recently, it was successfully testfired from a Sukhoi-30 fighter aircraft.