Question

For a geostationary satellite orbiting around the earth identify the necessary condition.

(a) it must lie in the equatorial plane of earth

(b) its height form the surface of earth must be 36000 km

(c) it period of revolution must be 2pi√(R/g) where R is the radius of earth 

(d) its period of revolution must be 24 hrs.

Answer 1

Correct options are (a) it must lie in the equatorial plane of earth, (b) its height form the surface of earth must be 36000 km and (d) its period of revolution must be 24 hrs.

Explanation :

A geo-stationary satellite revolves at a height 36000 km on equatorial plane with a time period of 24 h.