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If the period of revolution of an artifi...

If the period of revolution of an artificial satellite just above the earth be T second and the density of earth be `rho , kg//m^(3)` then
(G =`6.67 xx 10^(-11) m^(3)//kg . "second"^(2)`)

A

`rhoT^(2)` is a universal constant

B

`rho T^(2)` varies with time

C

`rhoT^(2) = (3pi)/(G)`

D

Both (a) and (c)

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