mgromvi
1.bohr's model could not explain the effect electric field and magnetic field on spectra. 2.in bohr's equation the momentum and position of the electron,revolving around the nucleus were well defined.but,according to heisenberg's uncertainty principle,it is impossible to measure the position and momentum of electrons precisely.if the position is measure with maximum precision,there will be uncertainty in the value of momentum and vice versa. 3.bohr's model was two dimensional where an atom is three dimensional. 4.bohr's model was adequate only for nucleus having only one electron eg:hydrgen,helium +1,lithium +2 etc. bohr's model could not explain the spectra of multi-electronic atoms.
Answers & Comments
2.in bohr's equation the momentum and position of the electron,revolving around the nucleus were well defined.but,according to heisenberg's uncertainty principle,it is impossible to measure the position and momentum of electrons precisely.if the position is measure with maximum precision,there will be uncertainty in the value of momentum and vice versa.
3.bohr's model was two dimensional where an atom is three dimensional.
4.bohr's model was adequate only for nucleus having only one electron eg:hydrgen,helium +1,lithium +2 etc. bohr's model could not explain the spectra of multi-electronic atoms.