Which imaging defect arose earliest in Alhazen's lens experiments?

💡 Explanation

Spherical aberration was observed first, because light rays focus at differing points, creating a blurred image rather than a single clear focus, therefore explaining original challenges using early simple lenses; other aberrations required refined experiments.

• When a Viking longship encounters unexpectedly large ocean waves, which risk increases due to inadequate freeboard?
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• Which purpose was commonly enabled by chinampa construction?
• Which limitation influenced navigator reliance on dead reckoning despite optimal sextant observations at sea?
• Which inaccuracy arose when relaying imperial orders via the Incan quipu system across the Tawantinsuyu?