A geo-stationary satellite orbits around the earth in a circular orbit – McqOptions

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1.	A geo-stationary satellite orbits around the earth in a circular orbit of radius 36,000 km. Then, the time period of a spy satellite orbiting a few hundred km above the earth's surface \[({{R}_{earth}} = 6,400km)\]will approximately be
A.	1/2hr
B.	1hr
C.	2hr
D.	4hr
Answer» D. 4hr

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