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← ScienceWhich outcome occurs when a terrestrial radio telescope's reflector dish deviates from a perfect parabolic shape, operating near 1 GHz?
A)Signal distortion through phase interference.✓
B)Increased gain via constructive interference.
C)Reduced thermal noise from atmosphere.
D)Enhanced bandwidth reduces data errors.
💡 Explanation
Signal distortion occurs because deviations disrupt the focal point, causing phase interference. The mechanism is Wavefront Aberration in the reflection, therefore the signal becomes blurred, rather than focusing; bandwidth and gain are unrelated.
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