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
(a) 4.8 hours (b) hours
(c) 24 hours (d) hours
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(b) . If r becomes double then time period will becomes times.
So new time period will be i.e.