Tag: search of life outside earth

Questions Related to search of life outside earth

The Chandrayaan was mainly powered by its solar array, which included one solar panel covering a total area of 2.15 x 1.8 m generating 750 W of peak power, which was stored in a_____________ for use during eclipses.

  1. cadmium zinc battery

  2. lead ion battery

  3. 36 Ah lithium-ion battery

  4. none of the above


Correct Option: C
Explanation:

The Chandrayaan was mainly powered by its solar array, which included one solar panel covering a total area of 2.15 x 1.8 m generating 750 W of peak power, which was stored in a 36 Ah lithium-ion battery for use during eclipses.

Out of the following, the only correct statement about satellites is

  1. A satellite cannot move in a stable orbit in a plane passing through the earth's centre

  2. Geostationary satellites are launched in the equatorial plane

  3. Satellites are rectangular in shape. 

  4. Geostationary satellites are launched in axial plane


Correct Option: B
Explanation:

Geostationary satellites are launched to the equitorial plane, so the it could have a time period of 24 hours exact and can have maximum reach, i.e on both heminpheres for information transfer.