The mass density of a planet of radius R varies with the distance r from its centre as ρ (r) = ρ ₀(1 - (r²)/(R²)). Then the gravitational field is maximum at:

Gravitation: JEE Main 2020 Physics question

JEE Main 2020 · 3 Sep, Evening shift · Q7137

JEE Main 20203 Sep, Evening shiftPhysicsMediumGravitation159× since 2002

The mass density of a planet of radius R varies with the distance r from its centre as

\rho

(r) =

{\rho _0}\left( {1 - {{{r^2}} \over {{R^2}}}} \right)

. Then the gravitational field is maximum at :

JEE Main 2020 · 3 Sep, Evening shift · Q7137

JEE Main 20203 Sep, Evening shiftPhysicsMediumGravitation159× since 2002

The mass density of a planet of radius R varies with the distance r from its centre as

\rho

(r) =

{\rho _0}\left( {1 - {{{r^2}} \over {{R^2}}}} \right)

. Then the gravitational field is maximum at :