物理:相位差

2008-12-20 10:12 pm
如果有兩個波,我想知哪一個領先哪一個,我該怎樣看?

是否看哪個波的波峰或波谷最先到達???
更新1:

咁如果係displcaement-position 個圖,咁又係點分呢?

更新2:

同埋係displacement-time個圖,我地係咪吾好比較 t=0果點的波峰或波谷?

更新3:

displcaement-position 個圖,即係根據番同一時間下所有波上面的點plot成ge graph,咁點比較??

回答 (2)

2008-12-21 3:48 am
✔ 最佳答案
You have not specified what information you are given.

Suppose you are given a plot of displacement against time for each of the waves, then the one that has a crest (or trough) appears earlier in time than the crest (or trough) of the other wave is leading.
2008-12-25 12:43 am
簡單d,睇對t既圖
不用理個t果個,搵一點作比較
例如波峰咁,睇下邊個較左
較左的波就是領先,原因是時間較小的時間,佢已經到達點位置

不是好明咩position個圖
你指distance?


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