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← ScienceWhich phenomenon occurs when a laser beam reflects?
A)Direction changes via Fresnel Reflection.✓
B)Wavelength extends via Doppler shift.
C)Bandwidth narrows via mode locking.
D)Intensity amplifies via Raman scattering.
💡 Explanation
Fresnel Reflection causes light to change direction due to refractive index change, because photons are reflecting. Therefore, the beam deviates; rather than wavelength shifts, which happen with motion, or intensity changes from other processes.
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