21. A satellite in low circular orbit than a geostationary orbit is known as :
(a) Passive satellite
(b) Active satellite
(c) Fast moving satellite
(d) slow moving satellite
22. What is common between earth and a geostationary satellite :
(a) Both have same linear velocity
(b) Both have same angular velocity
(c) Both have same Kinetic energy
(d) None of the above
23. When r is the radius of circular orbit of a satellite, then orbital period of the satellite is proportional to :
(a) r
(b) r^3/2
(c) r^2
(d) r^3
24. Geostationary satellites are placed in equatorial orbit at a height of approximately :
(a) 1000 km
(b) 15000 km
(c) 25000 km
(d) 36000 km
25. What is the life time of a geosynchronous communication satellite ?
(a) = 2 years
(b) = 5 years
(c) = 10 years
(d) = 40 years
Related Posts
Satellite Orbits » Exercise - 115. A geostationary satellite completes one orbit in : (a) 24 minutes (b) 24 hours (c) 24 days (d) None of these- Satellite Orbits » Exercise - 124. Geostationary satellites are placed in equatorial orbit at a height of approximately : (a) 1000 km (b) 15000 km (c) 25000 km (d) 36000 km
- Satellite Orbits » Exercise - 110. A geostationary satellite completes one orbit in : (a) 1 hour (b) 5 hour (c) 24 hour (d) 28 days
- Satellite Orbits » Exercise - 1 1. Epigee and perigee are the considerations when a satellite is in : (a) Lower orbit (b) Geostationary orbit (c) Circular orbit (d) Circular orbit
- Satellite Orbits » Exercise - 113. A satellite in low circular orbit than a geostationary orbit is known as ……. Satellite . (a) Slow moving (b) Fast moving (c) Passive (d) Active