Which limitation influenced Ibn al-Haytham’s understanding of light refraction through spherical lenses?

💡 Explanation

When creating lenses during his experiments, Ibn al-Haytham was limited by the manual grinding process because he could not achieve perfectly spherical surfaces consistently, causing imperfections in refraction. Therefore, grinding imprecision influenced his understanding of refraction's limits, rather than spectral understanding involving prisms, angular measurement errors, or air interference.

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