A) 10 h
B) 80 h
C) 40 h
D) 20 h
Correct Answer: C
Solution :
[c] According to Kepler's law, |
where, T is time period and r is radius of the orbit follower by sattelites |
or ... (i) |
... (ii) |
From Eqs. (i) and (ii), |
T = 40 h |
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