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← ScienceWhich visual outcome is caused within retinal imaging due to decreased temporal coherence of light?
A)Speckle pattern contrast decreases✓
B)Achromatic aberration becomes dominant
C)Chromatic dispersion sharply increases
D)Overall image brightness intensifies
💡 Explanation
Decreased temporal coherence means broadened non-monochromatic light is used, resulting in speckle pattern reduction because constructive/destructive interference reduces, whereas a more coherent source yields a sharper speckle pattern; therefore, speckle contrast decreases rather than intensifies or causing aberrations.
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