Question

what is zeeman effect and stark effect

Answer 1

When the split/shifted lines appear in absorption,the effect called the inverse stark effect.The stark effect is the stark analogue of the Zameen effect where a spectral line is split into several components due to the presence of magnetic field

Answer 2

Hey buddy,

Stark effect : Splitting of spectral lines in electric field

Zeeman's effect : splitting of spectral lines in magnetic field