Satellite Orbits » Exercise – 1
28. The noise temperature of sky is about :
(a) 0 K
(b) 15 K
(c) 30 K
(d) 100 K
Subject Name : Communication Engineering Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT
Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant
Electronics & Communication Engineering Books
GATE 2023 Total Info ENGG DIPLOMA UGC NET Total Info IES 2023 Total Info PSUs 2022 Total Info CSIR UGC NET Total Info JAM 2023 Total Info M TECH 2023 Total Info RAILWAY 2022 Total Info
Related Posts
Satellite Orbits » Exercise - 127. As viewed from space, the average noise temperature of earth is : (a) 110 K (b) 254 K (c) 400 K (d) 600 K- Satellite Orbits » Exercise - 14. If a satellite is orbiting at a height of h km from the surface of the earth, then its radius of orbit will be : (a) 2 h (b) h + 6372 km (c) h – 6372 km (d) 6 + 2 x 6372 km
- Satellite Orbits » Exercise - 123. 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
- Satellite Orbits » Exercise - 125. What is the life time of a geosynchronous communication satellite ? (a) = 2 years (b) = 5 years (c) = 10 years (d) = 40 years
- Satellite Orbits » Exercise - 121. 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