Q. 10

The time period of an earth-satellite in circular orbit is independent of
A. The mass of the satellite.

B. Radius of the orbit.

C. None of them.

D. Both of them.

Answer :

The time period of a satellite in a circular orbit is given by,

where, is the radius of the orbit of the satellite. G is the gravitational constant, is the mass of the earth. Hence, it depends on the radius while its independent of the mass of the satellite.

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