1.

A satellite which is geostationary in a particular orbit is taken to another orbit. Its distance from the centre of earth in new orbit is 2 times that of the earlier orbit. The time period in the second orbit is [NCERT 1984; MP PET 1997]

A. 4.8 hours
B.               \[48\sqrt{2}\] hours
C.             24 hours
D.               \[24\sqrt{2}\] hours
Answer» C.             24 hours


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