Which of the followings are correct uses of satellite placed in an orbit around Earth?

For observing Earth from a distance

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For communication purposes

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To forecast weather

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All of the above

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Solution

The correct option is D All of the above
Satellite revolves around the earth with fixed a velocity in a circular orbit of certain radius. During its motion, satellite collects informative signals from earth and then sends those signal back to the other part of earth for interpretation. Satellites are used for weather forecasting, communication purposes and observing earth from a distance, GPS etc.

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