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← ScienceWhich outcome usually occurs when a pulsed laser excites a Raman-active molecule?
A)Inelastic scattering produces Stokes' light✓
B)Molecule undergoes rapid ionization cascade
C)Laser emits amplified spontaneous emission
D)Significant photobleaching impairs observation
💡 Explanation
The intense laser causes Raman scattering, and vibrational energy level shifts induce the **Raman Effect**. Therefore, frequencies lower in energy (Stokes' light) usually dominate the spectrum, because most molecules exist in the ground state rather than excited levels.
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