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 km/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 km from earth