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範例:電磁波與波速[104學測]

已知空氣中的光速 c = 3.0×108 m/s。若某一 3G 手機採用通訊頻率 1.9 GHz，則此手機發出的電磁波，在空氣中的波長約為多少 m？
(A) 1.6　(B) 1.0　(C) 0.33　(D) 0.16　(E) 0.10【104 學測】

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Posted in 光與電磁波, 歷屆學測(推甄)考題, 緒論.

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By 張慶堂 – 2015 年 02 月 27 日

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