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Physics Unit25: Optical Instrument (id: 5d69d55ac)

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Post time 2024-1-26 22:03:25 | Show all posts |Read mode
本题目来源于试卷: Physics Unit25: Optical Instrument,类别为 Generic Physics

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A magnifying lens has a focal xx-48ra 7ua 2bjlgegbz thm0qh :783vlength of 10 cm. A person has a near poikf69b9* lq 8bkyvlzz7pn u3nzq /.4vunt of 25 cm. What is the magnification of the lens for that personl8l nyvp* bqk3 u.6v4b99qnfzz kz/u7 when their eyes are focused at infinity?

A. 1.5
B. 2.5
C. 3.5
D. 4.5


参考答案:  B


本题详细解析: 暂无
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