Optical Instruments (id: 8d001d8e0)

admin · 发表于 2025-7-13 22:17:40

本题目来源于试卷: Optical Instruments，类别为 IB物理学

[填空题]
A human eyeball is abou6c 8k jheqt36lqn /8ugy- ki3 ;fv-nebt 2.0 $cm$ long, and the pupil has a maximum diameter of about 8.0 mm. What is the “speed” of this lens? $ f-stop$ = f/

参考答案: 2.5±2%

本题详细解析:
data/attachment/exam/2507/13/2507131017427628.png

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