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← ScienceWhich outcome occurs in telescope optics when primary mirror imperfections approach wavelength scale?
A)Decreased image resolution due to diffraction✓
B)Increased chromatic aberration in refracting lenses
C)Enhanced signal-to-noise via constructive interference
D)Improved thermal stability decreasing background noise
💡 Explanation
Decreased resolution will occur because **destructive interference** among aberrant wavefronts arriving off-axis reduce Airy disk sharpness. Therefore, image resolution suffers rather than improves; chromatic aberration involves lens material dispersion—a refractive issue.
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