Which one of the following statements regarding artificial satellite of the earth is incorrect [...

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Which one of the following statements regarding artificial satellite of the earth is incorrect [NDA 1995; MP PMT 2000]
(a) The orbital velocity depends on the mass of the satellite
(b) A minimum velocity of \( 8 \mathrm{~km} / \mathrm{sec} \) is required by a satellite to orbit quite close to the earth
(c) The period of revolution is large if the radius of its orbit is large
(d) The height of a geostationary satellite is about 36000 \( \mathrm{km} \) from earth
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