用光線圖輔助,簡述一個可直接量度一凸透鏡的焦距的實驗....
請告訴我點做阿....?????
物理....急...急....
2007-01-28 1:34 am
回答 (1)
2007-01-28 1:57 am
✔ 最佳答案
The simplest method is hold the lens against a distance object, and move a white paper (which acys as a screen) behind the lens until a clear image of the distance object is seen on the paper.The distance between the lens and the paper will give you the focal length of the lens.
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https://hk.answers.yahoo.com/question/index?qid=20070127000051KK03055