RRB NTPC · Question 50
How much time does a Geostationary satellite take to complete one orbit, at the height of 35790 km?
Show answer & explanation
Answer: (B) 24 hours
Explanation
A geostationary satellite orbits at about 35,786 km above the equator and completes one revolution in the time Earth takes to rotate once – about 24 hours (more exactly one sidereal day) – so it appears fixed over one spot.