(10 Marks) Physics question (2)
回答 (2)
2007-03-10 7:23 am
✔ 最佳答案
In phase can be understood by the phase difference between two waves.If the phase difference of two waves is 0 at a specific moment, then, the two wave is in phase at that moment.
The condition for 2 waves be in phase all the time is that, they have the same wavelenght and phase difference is 0.
參考: <--mini me
2007-03-10 5:33 am
In phrase means the two waves are constructive interference.
for example, trouph and trouph, crest and crest
for example, trouph and trouph, crest and crest
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070309000051KK03773