Question

How does tha electrostatic force between two point charges change, when a dielectric medium is introduced between them?

Answer 1

When a dielectric medium is introduced then the force will depend upon the relative permeability of the medium. If the relative permeability of the medium is less than 1 than the force of attraction will be greater than the equivalent vacuum counterpart.
If the relative permeability of the medium is greater than 1 then, the force of attraction between the objects will be lesser than the equivalent vacuum counterpart

Answer 2

Answer:

because electro static force decreses to 1/k times

Explanation:

When a dielectric medium is introduced then the force will depend upon the relative permeability of the medium. If the relative permeability of the medium is less than 1 than the force of attraction will be greater than the equivalent vacuum counterpart.

If the relative permeability of the medium is greater than 1 then, the force of attraction between the objects will be lesser than the equivalent vacuum counterpart