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← HistoryUsing parabolic burning mirrors in antiquity leads to which limitation?
A)Achieved temperature rapidly diminishes over distance✓
B)Focal point rapidly changes with mirror shape
C)Mirror tarnishing decreases overall solar reflectance
D)Atmospheric dispersion causes chromatic aberration artifacts
💡 Explanation
Temperature decreases because radiative heat flux is inversely proportional to the *squared distance*. The mechanism affecting this limitation is radiative heat transfer; therefore, the focal point becomes ineffective quickly, rather than other optical consequences or material issues.
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