Question

what are the limitations of Bohr's model of atom

Answer 1

it can not explain doublets and triplets in spectrum
it also can not explain zemen effect (an electromagnetic spectrum)
it is only right for hydrogen atom

Answer 2

Bohr's atomic model of atom is that there are electron proton and something else present in the nucleus of the cell which was not found at that time and after sometime any scientist discovered that there is a neutron present in the nucleus of the cell which is not having any charge but having mass and when at the time of niels bohr the sum of the masses of the proton and electron was not equal to the weight of an atom it was just double of the mass of the atom