Bohr's accelerated electron
The electron in a Hydrogen atom makes transition from shell to .
Find the ratio of the magnitudes of initial to final centripetal acceleration of the electron, under the assumptions of the Bohr model .
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1 solution
According to Bohr's postulates, the centripetal force acting on the electron is equal in magnitude to that of the coulomb's force. Hence, the force acting on the electron is inversely proportional to r 2 . The radius of nth orbit is directly proportional to n 2 , hence the centripetal force is inversely proportional to n 4 .