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Satellite Orbits – 1 – 5

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

Explanation
No answer description available for this question.

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

Explanation
No answer description available for this question.

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

Explanation
No answer description available for this question.

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

Explanation
No answer description available for this question.

25. What is the life time of a geosynchronous communication satellite ?

(a) = 2 years
(b) = 5 years
(c) = 10 years
(d) = 40 years