Average density of the earth

Average density of the earth
  1. does not depend on g
  2. is a complex function of g
  3. is directly proportional to g
  4. is inversely proportional to g

Solution

$\mathrm{g}=\frac{\mathrm{G} 4 \pi}{3} \rho_{\mathrm{av}} \mathrm{R}$

Asked in: JEE Main 2005

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