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一个初中的物理题
wxyshr2015/01/15科学技术学 IP:辽宁
站在岸上的人用普通照相机拍摄水池底部的物体,要到清晰的像,若照相机的位置不变，水池中灌满了水，这时想得到清晰的像，应该把暗箱拉近些还是远些
答案是因为水折射像会偏上会离相机近些些所以要把暗箱拉近些，但是我觉得光线路径会变长所以应该拉远些，就像右面那个图一样，后来想了下答案也有道理，就像左边的那个图一样，大家觉得应该怎么算，是两个答案都对吗
引用 家电:
图画的不好，将就着看吧
不用在意这些小事
引用 20！不曾存在:
按红色线的距离计算焦距
两个都是红色线啊
引用 wxyshr:
两个都是红色线啊
红色线拉直..
wxyshr
进士 笔友
2014/12/01注册，7年1个月前活动
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