Question

8. Calculate the Coulomb force between two alpha
particles separated by a distance of 3.2 x 10-15 m
in air.
​

Answer 1

Answer:

The Coulomb force is 90 N.

Given:

Distance = r =

To find:

Coulomb force = ?

Solution:

Take,

Charge on the alpha particle = +2e =

Required repulsive Coulomb force between the alpha particles is,

The Coulomb force is directly proportional to the charges and inversely proportional to distance between two charges. This is called as Coulomb’s law.