Physics · GRAVITATION
हिन्दीAssuming the Earth to be a homogeneous sphere of uniform density \( \rho \) and radius \( R_E \), the gravitational acceleration \( g(r) \) at a distance \( r \) inside the Earth (\( r < R_E \)) is proportional to:
Correct answer · Option 4
\( r \)
Explanation
For r < R_E, g(r) = (G M_E / R_E^3) r, meaning the acceleration due to gravity is directly proportional to the radial distance r from the centre.