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
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a