Satellite Communication
Geostationary satellite orbits Earth with period equal to:
Select the correct option:
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More communication systems Practice Questions
Bandwidth of AM signal equals:
Bandwidth of AM signal equals:
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In FM, which parameter of carrier varies with modulating signal?
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According to Shannon, channel capacity increases with bandwidth and:
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About This Question
- Subject
- physics
- Chapter
- communication systems
- Topic
- satellite communication
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
24 hours
A geostationary satellite is placed in a circular orbit (called the Clarke orbit) roughly 35,786 km above the equator. For the satellite to remain stationary relative to a point on the Earth's surface, its orbital period must exactly match the Earth's rotational period around its axis, which is approximately 24 hours (specifically one sidereal day). This allows ground antennas to point at a fixed location in the sky without needing complex tracking mechanisms.
This easy difficulty physics question is from the chapter communication systems, covering the topic of satellite communication. It appeared in the 2025 exam.
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