Science
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(B) (C) (D)還是不能理解😭
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佳~
波,則下列敘述何者錯誤?
有一連續週期波,其傳播情形如右圖所示,若波源每秒產生0.5個
2=12
波前進方向
4
(A)此連續週期波的波速為6cm/s
12x0.5=6
18
0
R
12
4+4=8
(B)波形移動6cm時,R點移動8cm
(C) P點回到平衡位置所需之最短時間為0.5秒→ zx2=0.5
(D)若週期減半,當P點在波峰,則R點在波谷
波長减半,入=60
am
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