1.

Two satellites revolve round the earth with orbital radii 4R and 16 R, if the time period of first satellite is T then that of the other is

Answer»

4 T
`4^(2//3)`T
8T
NONE of these

Solution :`(T_(1))/(T_(2)) = ((R_(1))/(R_(2)))^(3//2) RARR (T)/(T_(2)) = ((4R)/(16R))^(3//2) rArr T_(2) = 8 T `


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