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← ScienceWhich deviation will appear in radar signal transits near massive astrophysical bodies?
A)Time dilation causing signal delay✓
B)Increased signal chromatic dispersion
C)Reduced signal carrier frequency
D)Signal amplification affecting transit duration
💡 Explanation
General relativity predicts that time runs slower in stronger gravitational fields; nearby signals experience gravitational time dilation because the spacetime curvature from the massive body increases path length/time. Therefore, the signal will show a delay rather than increased chromatic dispersion or direct frequency modulation.
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