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Question
The minimum number of geostationary satellites required to televise a programme all over the earth is
The minimum number of geostationary satellites required to televise a programme all over the earth is
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Solution
The correct option is A 3
A geostationary satellite has a radius of orbit 42,400 km and at a height above the earth's surface 36,000 km. One satellite could cover 42% of the area of the whole globe and we would need at least 3 of them to cover completely.
A geostationary satellite has a radius of orbit 42,400 km and at a height above the earth's surface 36,000 km. One satellite could cover 42% of the area of the whole globe and we would need at least 3 of them to cover completely.
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