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← ScienceWhich image blurring occurs when an astronomical telescope suffers wavefront imperfections?
A)Speckle pattern interference✓
B)Chromatic lens abberation
C)Spherical mirror aberration
D)Fresnel zone diffraction
💡 Explanation
Speckle patterns occur due to incoming light waves experiencing constructive and destructive interference because atmospheric turbulence causes rapid fluctuations in the refractive index. Therefore, speckle patterns arise, rather than simple diffraction or lens aberrations without considering atmospheric conditions.
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