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螢幕截圖 2024-04-15 上午1.09.17 by 47j4mn4h7h is a document available to read on EtoBox.

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The document contains detailed information about optical lenses, including diagrams and explanations of convex and concave lenses, their properties, and how they form images. It discusses concepts such as focal length, principal focus, and magnification, along with various exercises and examples. The content appears to be structured for educational purposes, likely aimed at students studying optics.

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47j4mn4h7h

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EN