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

(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

Answer: a

(8)

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