本题目来源于试卷: Light: Geometric Optics，类别为 IB物理学
[问答题]
A photographer moves clo y(7.+zn: j ltupo;jsqser to his subject and then refocuses. Does the x iqshi*du*k1hzsmu8 4c8(b8 camera lens move farther from or closer to the filu 48b sd *czs*uhk(m1 q88iihxm? Explain.
参考答案:
The camera lens moves
farther from the film when the photographer refocuses. By moving closer to the object, the object
distance has become smaller, which the thin lens equation says increases the
image distance (and the image is now behind the film). To bring the image forward (and back to the
film), you need to move the lens away from the film.
本题详细解析:
暂无
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