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somebody-nobody
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Radio astronomers have found that besides its optical spectral lines,hydrogen exhibits a radio spectral line at a wavelenght of 21cm.This spectral line arises from the interaction between magnetic moment of the electron and the magnetic moment of the nucleus.The electron is located within the magnetic field generated by the magnetic moment of the nucleus ,and when electron flips from the spin up to spin down orientation in this magnetic field ,it emits a photon at 21cm wavelenght.
What is the value of the nuclear magnetic field at the average poston of the electron?
I don't understand what is meant by average position ,since there is only spin up or down .MAybe i am on wrong track!
What is the value of the nuclear magnetic field at the average poston of the electron?
I don't understand what is meant by average position ,since there is only spin up or down .MAybe i am on wrong track!