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← ScienceWhich outcome occurs when a high-powered laser induces acoustic vibrations in a sample?
A)Brillouin scattering shifts the frequency✓
B)Raman scattering polarizes emitted photons
C)Compton scattering decreases photon energy
D)Rayleigh scattering increases intensity
💡 Explanation
Brillouin scattering arises because induced acoustic waves create periodic density modulations that act as a moving diffraction grating; scattered light shifts in the frequency range. Therefore, Brillouin scattering occurs, rather than Raman scattering or other mechanisms, due to acoustic wave interaction.
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