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← ScienceWhich effect arises when a high-powered laser ablates material?
A)Plasma formation above ablation threshold✓
B)Increased material hardness post-processing
C)Decreased surface roughness consistently
D)Uniform elemental redistribution in target
💡 Explanation
Plasma forms because the laser's high energy causes rapid ionization; this is known as optical breakdown. The increased kinetic energy of the atoms leads to plasma formation, rather than other effects like surface smoothing, therefore causing high energy plasma.
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