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← ScienceWhich behavior results when a laser passes through vapor?
A)Speckle pattern degrades image resolution✓
B)Increased thermal lensing occurs in amplifier
C)Nonlinear crystal generates harmonics only
D)Gain medium becomes saturated uniformly
💡 Explanation
Laser light scattering from many fine particles generates a speckle pattern because constructive and destructive wave interference varies randomly. Therefore, speckle degrades perceived image quality rather than harmonic generation or thermal lensing under these conditions.
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