1.

The value of acceleration due to gravity .g_p. on the surface of a planet with radius double that of earth and same mean density as that of the earth is ( g_(e) rarracceleration due to gravity on the surface of earth)

Answer»

`g_(p)=2g_(E)`
`g_(p)=g_(e)//2`
`g_(p)=g_(e)//4`
`g_(p)=4g_(e)`

ANSWER :A


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