波動學問題!!!!!!!!!!!!!!!!!!!
回答 (1)
2007-04-17 10:11 pm
✔ 最佳答案
The wave trough becomes the wave peak. If this represents 0.5 period (Notice that it can only represents 0.5,1.5,2.5 preiod, etc), then the frequency is minimum0.5 preiod using 1.5-0.5=1 s
So T=2 s
minimum frequency
=1/T
=1/2
=0.5 Hz
C is incorrect
我估你以A點去想﹐所以認為1 s代表3/4 preiod 之類
收錄日期: 2021-04-22 00:35:03
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https://hk.answers.yahoo.com/question/index?qid=20070417000051KK01331