2. Assume now that an electron is not a point but a sphere of radius R over whose surface the electron charge is uniformly distributed. a) Find the total enery associated with the electric field built up by the "electron sphere". b) If you equate the total electric energy you get in a) with the rest mass energy of electron E = mc², Calculate the value of R. R is often called the classical radius of the electron.
2. Assume now that an electron is not a point but a sphere of radius R over whose surface the electron charge is uniformly distributed. a) Find the total enery associated with the electric field built up by the "electron sphere". b) If you equate the total electric energy you get in a) with the rest mass energy of electron E = mc², Calculate the value of R. R is often called the classical radius of the electron.
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Transcribed Image Text:2. Assume now that an electron is not a point but a sphere of
radius R over whose surface the electron charge is uniformly
distributed.
a) Find the total enery associated with the electric field built up
by the "electron sphere".
b) If you equate the total electric energy you get in a) with the
rest mass energy of electron Eo mc², Calculate the value of R.
=
R is often called the classical radius of the electron.
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