Teaching MPPSC Assistant Professor Mock Test Series 2025 Physical Sciences Atomic & Molecular Physics
The spin-orbit effect splits the 2P → 2S transition (wavelength λ = 6521 Å) in Lithium into two lines with separation of Δλ = 0.14 Å. The corresponding positive value of energy difference between the above two lines is-
1
4.08 × 10-5 eV
2
4.08 × 10-3 eV
3
2.04 × 10-3 eV
4
2.04 × 10-5 eV