發散鏡問題~.光線由下穿上
2012-03-09 1:44 am
圖片參考：http://imgcld.yimg.com/8/n/HA00870749/o/701203080038713873447140.jpg
佢係發散鏡
咁應該點畫?
最好附圖!!!!!!!!!!!!!!!!!!!!!!
點畫??????
回答 (1)
2012-03-09 8:15 am
✔ 最佳答案
圖片參考：http://imgcld.yimg.com/8/n/HA00458726/o/701203080038713873447150.jpg
The thin black lines are construction lines, the red line is the refracted ray.
收錄日期: 2021-04-11 18:56:36
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120308000051KK00387