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← ScienceWhich energy transfer process dominates when infrared radiation of specific wavelength matches a molecule’s vibrational mode?
A)Resonant absorption to higher vibration✓
B)Elastic scattering with energy shift
C)Incoherent transmission through the modes
D)Raman scattering to generate new frequencies
💡 Explanation
When infrared radiation matches a molecule's vibrational mode, resonant absorption occurs because the energy from photons is efficiently transferred to excite that specific vibrational mode, raising it to a higher energy level. Therefore, resonant absorption is dominant, rather than other processes requiring more complex interactions or scattering.
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