Period of a satellite orbiting close to a planet's surface in terms of density

1. A.
   $\sqrt{\frac{3\pi}{\rho G}}$
2. B.
   $\sqrt{\frac{\pi}{\rho G}}$
3. C.
   $\sqrt{\frac{2\pi}{\rho G}}$
4. D.
   $\sqrt{\frac{4\pi}{\rho G}}$

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1. A.
   $\sqrt{\frac{4\pi}{\rho G}}$
2. B.
   $\sqrt{\frac{\pi}{\rho G}}$
3. C.
   $\sqrt{\frac{3\pi}{\rho G}}$
4. D.
   $\sqrt{\frac{2\pi}{\rho G}}$

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1. A.
   $\frac{4\pi^2}{G}$
2. B.
   $\frac{3\pi^2}{G}$
3. C.
   $\frac{3\pi}{G}$
4. D.
   $\frac{\pi}{G}$

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1. A.
   $\sqrt{\dfrac{4\pi}{\rho G}}$
2. B.
   $\sqrt{\dfrac{2\pi}{\rho G}}$
3. C.
   $\sqrt{\dfrac{\pi}{\rho G}}$
4. D.
   $\sqrt{\dfrac{3\pi}{\rho G}}$

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