MCQOPTIONS
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| 1. |
The orbital velocity of an artificial satellite in a circular orbit just above the earth's surface is v. For a satellite orbiting at an altitude of half of the earth's radius, the orbital velocity is [MNR 1994] |
| A. | \[\frac{3}{2}v\] |
| B. | \[\sqrt{\frac{3}{2}}\,v\] |
| C. | \[\sqrt{\frac{2}{3}}\,v\] |
| D. | \[\frac{2}{3}\,v\] |
| Answer» D. \[\frac{2}{3}\,v\] | |