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Density of a planet is two times the den...

Density of a planet is two times the density of earth. Radius of this planet is half. Match the following (as compared to earth)
`{:(,"Column-I",,"Column-II"),("(A)","Accleration due to gravity on this planet's surface","(p)","Half"),("(B)","Gravitational potential on the surface","(q)","Same"),("(C)","Gravitational potential at centre","(r)","Two times"),("(D)","Gravitational field strength at centre","(s)","Four times"):}`

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