1.

A satellite whose mass is M, is revolving in circular orbit of radius r around the earth. Time of revolution of satellite is                                  [AMU 1999]

A.             \[T\propto \frac{{{r}^{5}}}{GM}\]
B.               \[T\propto \sqrt{\frac{{{r}^{3}}}{GM}}\]
C.             \[T\propto \sqrt{\frac{r}{G{{M}^{2}}/3}}\]
D.               \[T\propto \sqrt{\frac{{{r}^{3}}}{G{{M}^{1}}/4}}\]
Answer» C.             \[T\propto \sqrt{\frac{r}{G{{M}^{2}}/3}}\]


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