GATE Atomic and Molecular Physics: Raman effect and basics of Raman spectroscopy – Previous Year Questions

3 GATE previous year questions on Raman effect and basics of Raman spectroscopy (Atomic and Molecular Physics, Physics) with answers and explanations, from every paper.

1. GATE 2022 PH Q32 (1 mark, Numerical answer) – A Raman line at 300\ cm-1 has Stokes intensity four times anti-Stokes intensity. Find the temperature in K, nearest integer. Given 1\ cm-1=1.44 K.
2. GATE 2023 PH Q36 (2 marks, Multiple choice) – It is given that the electronic ground state of a diatomic molecule X2 has even parity and the nuclear spin of X is 0. Which one of the following is…
3. GATE 2026 PH Q34 (1 mark, Numerical answer) – Raman spectrum of a molecule was recorded using a source of wavelength 5000 Å. The first Stokes line is observed at 5100 Å. The first anti-Stokes line…