MHT CET 2023 Physics question
Consider a planet whose density is same as that of the earth but whose radius is three times the radius 'R' of the earth. The acceleration due to gravity 'gₙ' on the surface of planet is gₙ = x. g where g is acceleration due to gravity on surface of earth. The value of 'x' is
Answer: (B)
Solution
Surface gravity with , so , i.e. . With the same density and radius : , so , option (b).
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