1.

The period of a satellite in a circular orbit of radius R is T.The period of another satellite in circular orbit of radius 4R is:

Answer»

4T
`(T)/(4)`
8T
`(T)/(8)`

Solution :`(T_(2)^(2))/(T_(1)^(2))=(r_(2)^(3))/(r_(1)^(3)) rArr T_(2)=T_(1)((4R)/(R ))^((3)/(2)) =8T_(1)`
So the CORRECT CHOICE is (c ).


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