reasons for failure of the bohr model notes
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Failure of Bohr Model
It could not explain the line spectra of atoms containing more than one electron. (ii) This theory could not explain the presence of multiple spectral lines. (iii) This theory could not explain the splitting of spectral lines in magnetic field (Zeeman effect) and in electric field (Stark effect).
Answer:-
❀ The reasons for the failure of the Bohr model are ;
☘ In Bohr model, an electron is regarded as a charged particle moving in different circular orbits about the nucleus .
☘ The wave character of the electron is not considered in Bohr model .
☘ Further, an Orbit is a clearly defined path and this path can completely be defined only if both the position and the velocity of the electron are known exactly at the same time .
☘ This is not possible according to the Heisenberg uncertainty principle .
☘ Bohr model of the hydrogen atom, therefore, not only ignores dual behaviour of matter but also contradicts Heisenberg uncertainty principle