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What was the focus of Castel's "Optique des couleurs"?

  • Sound waves

  • Color optics

  • Gravitational forces

  • Mathematical formulas

Answer

"Optique des couleurs" (1740) was a treatise written by Castel on the melody of colors. It focused on the relationship between colors and their optical properties, which was a significant contribution to the field of color theory.
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