http://day.sfc-plk.edu.hk/Physics/pastpaper.htm
93,structural questions,number 8ci and ii,the answer is 2(3x10^-5)m,shouldn't the path difference be 2n(3x10^-5)m?
一條AL reflection interference問題?
2016-01-25 2:03 pm
回答 (1)
2016-01-26 3:37 am
✔ 最佳答案
The physical path difference is 2.(3 x 10^-5) m, whereas the optical path difference is 2n.(3 x 10^-5) mThe question asks for the "path difference", it may imply the "physical" path difference.
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160125060358AAvI5Sh