If R is the radius of the earth and g the acceleration due to gravity on the earth's surface, then mean density of the earth is

If R is the radius of the earth and g the acceleration due to gravity

1.	If R is the radius of the earth and g the acceleration due to gravity on the earth's surface, then mean density of the earth is
A.	\[\frac{4\pi G}{3gR}\]
B.	\[\frac{3\pi R}{4gG}\]
C.	\[\frac{3g}{4\pi RG}\]
D.	\[\frac{\pi g}{12RG}\]
Answer» D. \[\frac{\pi g}{12RG}\]

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If R is the radius of the earth and g the acceleration due to gravity on the earth's surface, then mean density of the earth is

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