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Question

The time period of a geostationary satellite at a height 36000 km, is 24 h. A spy satellite orbits very close to earth surface (R=6400 km). What will be its time period ?
  1. 4 h
  2. 1 h
  3. 2 h
  4. 1.5 h

A
4 h
B
1.5 h
C
1 h
D
2 h
Solution
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