本题目来源于试卷: Physics Unit23: Light and Geometric Optics，类别为 通用国际物理
[单选题]
A diverging lens ($f = -4.0 \; cm$) is positioned 2.0 cm to the left of a converging lens ($f = +6.0 \; cm$). A 1.0-mm diameter beam of parallel light rays is incident on the diverging lens from the left. After leaving the converging lens, the outgoing rays
A. converge.
B. diverge.
C. form a parallel beam of diameter D > 1.0 mm.
D. form a parallel beam of diameter D < 1.0 mm.
E. will travel back toward the light source.
参考答案: C
本题详细解析:
暂无
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