Question

Two planets of radii r₁ and r₂ are made from the same material. The ratio of the acceleration due to gravity g₁/g₂ at the surfaces of the two planets is(a) r₁/r₂ (b) r₂/r₁(c) (r₁/r₂)2(d) (r₂/r₁)2

Answer 1

Here, same material implies same density.