UPSC 2018 › Science & Technology › Space Technology & Astronomy

In which of the following areas can GPS technology be used ?

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

Select the correct answer using the code given below :

With reference to the Indian Regional Navigation Satellite System (IRNSS), consider the following statements : 1. 2. 3. 2019.

Which of the statements given above is/are correct ?

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 ?