If the mass and radius of the Earth are both doubled, then the accelra

1.	If the mass and radius of the Earth are both doubled, then the accelration due to gravity g
Answer» ramains same `(G)/(2)` 2g 4g Solution :`M_(E). = 2M_(E) and R_(E).= 2R_(E)` Acceleration due to gravity `g.= (GM_(E).)/(R_(E)2)=(2GM_(E))/(4R_(E)^(2)),g.=(1)/(2)((GM_(E))/(R_(E)^(2)))(g)/(2)`

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