Condider an atom with atomic number Z is consisting of a poditive poin...
Electric Field Inside Atom
The electric field at a point inside an atom can be calculated using the concept of a point charge and a uniformly distributed negative charge within a sphere.
Point Charge at the Centre
- The positive point charge at the center of the atom creates an electric field that radiates outwards in all directions.
- The strength of the electric field due to the point charge is given by Coulomb's law, E = kq/r^2, where k is the Coulomb constant, q is the charge, and r is the distance from the charge.
Negative Charge Distribution
- The negative electricity uniformly distributed within a sphere of radius R creates an electric field that cancels out the electric field inside the sphere.
- This results in no net electric field inside the atom at a distance r from the center.
Electric Field at a Point Inside Atom
- At any point inside the atom at a distance r from the center, the electric field is zero due to the cancellation of the electric fields created by the positive point charge and the negative charge distribution.
- This means that inside the atom, the electric field is effectively shielded and does not influence the behavior of charged particles within the atom.
In conclusion, the electric field at a point inside an atom, at a distance r from the center, is zero due to the cancellation of the electric fields created by the positive and negative charges within the atom.
Condider an atom with atomic number Z is consisting of a poditive poin...
I think E = K( Ze) r / R3
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