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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Gravitation
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Q)

If the period of revolution of an artificial satellite just above the earth's surface is T and density of earth is ρ then ρT2

a) is a universal constant =3πG

b) is a universal constant =3π2G

c) is proportional to radius of earth R

d) is proportional to square of earth's radius R2 where G= universal gravitational constant

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