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Which outcome results when thermal stress causes microcracks on telescope mirrors?

A)Decreased image resolution from interference
B)Increased light gathering from diffraction
C)Reduced spherical aberration through refraction
D)Enhanced signal via light polarization

💡 Explanation

Increased microcracks on the mirror surface causes more destructive interference of light waves because the irregularities disrupt wavefront coherence, therefore image resolution decreases rather than enhancing light gathering, aberration, or polarization which require smoother surfaces.

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