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Which one of following statements regarding artificial satellite of earth is incorrect,

  1. The orbital velocity depends on the mass of the satellite
  2. A minimum velocity of 8kms-1 is required by a satellite to orbit quite close to the earth.
  3. The period of revolution is large if the radius of its orbit is large,
  4. The height of geostationary satellite is about 36000 km from earth

The correct answer is: The orbital velocity depends on the mass of the satellite

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