Density of newly discovered planet is twice that of earth. The acceleration due to gravity at the surface of the planets is equal to that at the surface of the earth. If the radius of earth is R, then the radius of the planet would be
A
2R
B
4R
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
We know acceleration due to gravity 
According to question acceleration due to gravity is same on both planets
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