Test Academy | The radii of two planets are respectively R1 and R2 and their densities are respectively ρ1 and ρ2 . The ratio of the accelerations due to gravity at their surfaces is g1:g2 = ρ1/R₁²: ρ2/R₂², g1:g2 = R₁R₂: ρ1ρ2, g1:g2 = R₁ρ2: /R₂ρ1, g1:g2 = R₁ρ1: /R₂ρ2

Question

The radii of two planets are respectively R1 and R2 and their densities are respectively ρ1 and ρ2 . The ratio of the accelerations due to gravity at their surfaces is

Options :

g1:g2 = ρ1/R₁²: ρ2/R₂²
g1:g2 = R₁R₂: ρ1ρ2
g1:g2 = R₁ρ2: /R₂ρ1
g1:g2 = R₁ρ1: /R₂ρ2

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