Source: Exemplar
The weight of an object at the centre of the earth of radius R is
Options
Option A is correct
zero
Option B
infinite
Option C
R times the weight at the surface of the earth
Option D
1/R² times the weight at surface of the earth
The weight of an object at the centre of the earth of radius R is
zero
infinite
R times the weight at the surface of the earth
1/R² times the weight at surface of the earth