A) period of revolution is greate then the period of rotation of the earth about its axis
B) period of revolution is less than the per od of rotation of the earth about its axis
C) period of revolution is equal to the period of rotation of the earth about its axis
D) mass is less than the mass of earn
Correct Answer: B
Solution :
The period of revolution of a synchronous relay satellites is equal to the period of rotation of earth about it axis. This makes it possible to reflects TV signals and transmits TV programmer from one part the world to the other.
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