Which of the following is NOT a limitation of Bohr's model?
It fails to explain the spectra of multi-electron atoms.
It doesn't account for the wave nature of electrons.
It violates the Heisenberg uncertainty principle.
It correctly predicts the energy levels of hydrogen-like species.
Related Questions
For which species would the calculated energy levels using the Bohr model be significantly inaccurate?
atom
ion
ion
The ratio of the speed of the electron in the first Bohr orbit of hydrogen and the speed of light is equal to (where and have their usual meanings)
1/137
1/100
1/200
1/237
An electron in the orbit of hydrogen atom is bounded by . Energy requires to ionize it is
To explain his theory, Bohr used
Conservation of linear momentum
Conservation of angular momentum
Conservation of quantum frequency
Conservation of energy
If the shortest wavelength of the Balmer series of hydrogen is , then the longest wavelength in the Lyman series is?
λ/3
3λ
4λ/3
3λ/4
If the Rydberg constant is , what is the wave number of the last line of the Balmer series in the hydrogen spectrum?
2.5 x 10^6 m^-1
5 x 10^6 m^-1
1 x 10^7 m^-1
2 x 10^7 m^-1
With the increase in principal quantum number, the energy difference between the two successive energy levels
Increases
Decreases
Remains constant
Sometimes increases and sometimes decreases
Consider the following statements concerning electrons :
I. Electrons are universal constituents of mater.
II. J Thomson received the very first Nobel prize in Physics for discovering the electron.
III. The mass of the electron is about 1/2000 of a neutron.
IV. According to Bohr the linear momentum of the electron is quantised in the hydrogen atom. Which of the above statements are not correct?
I and II
II and IV
I and III
III and IV
The wavelength of the first line of Lyman series for hydrogen atom is equal to that of the second line of Balmer series for a hydrogen like ion. The atomic number of hydrogen like ion is
2