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範例:視深之應用與視角

一薄銅幣，放在水缸底面, 水的折射率為n，水深為S，人在銅幣正上方距水面高h處俯視，其視角(銅幣直徑兩端之光線至一瞳孔所張之角)為θ。若θ甚小，sinθ≒θ，銅幣的直徑為何?[87北聯]


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Posted in 折射現象應用與色散.

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By admin – 2009 年 11 月 24 日

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