Orbital radius of a satellite S of earth is four times that s communication satellite C. Period of revolution of S is :-
Orbital radius of a satellite S of earth is four times that s communication satellite C. Period of revolution of S is :-
A. 4 days
B. 8 days
C. 12 days
D. 2 days
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Correct Answer - B
`(T_(s))/(T_(c ))=((r_(s))/(r_(c )))^(3//2)=8`
`therefore T_(s)=8xx1=8` days
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