Splitting of spectral line under the influence of magnetic field is cared
Zeeman Effect
Stark effect
Heisenberg uncertainty principle
Herds rule
Zeeman effect, Stark effect and Limitations of Bohr’s theory -
Limitation of Bohr theory:
1. It does not explain the spectra of the atom with more than one electron.
2. Failed to explain Zeeman and stark effect.
3. Failed to explain the basis of stationary orbit.
Zeeman effect:
Splitting of spectral lines in the presence of magnetic field
Stark effect:
Splitting of spectral lines in the presence of the electric field.
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As we learnt,
zeeman effect - splitting of spectral lines in the presence of magnetic field
Therefore, Option(1) is correct