F4 PHY.!

Please solve the following questions!

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2 個解答

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  • Fai
    Lv 4
    9 年前
    最愛解答

    我用過E本書, 做過哂

    4a a, b, h, i ; d, e, f

    b c, g; nodes

    5a v=fλ

    510=f(2*0.5)

    f=510Hz

    1. 好難sketch個shape, 總之就成個M字

    The pulses both travel AB in 0.2s, so they are travelling at the same speed.

    資料來源: 我本書
  • The first two pictures are the same question.

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