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• 29. A transverse wave traveling along a string transports energy at a rate r. If we want to double t
• 30. A tube open at one end and closed at the other end produces sound having a fundamental frequency
• 31. A solid nonconducting sphere of radius R carries a charge Q distributed uniformly throughout its
• 32. Determine the energy stored in C2 when C1 = 15 MF, C2 = 10 MF, C3 = 20 uF, and V0 = 18 V.Xx(A)0.
• 25. Consider a graph as follows. Starting from node D, what is the visiting sequence of all nodes by
• 【題組】2.請標示出右圖這個發光二極體的正負極。
• 【題組】3.請畫出發光二極體的電子符號?並標出極性。
• 【題組】4.紅光 LED 在 1.8V–2.4V(以 2V 計算)，4 顆 LED 串聯，電源供給 12v 的電壓，以額定電流啟動發光二極體，應該使用幾歐姆的電阻?
• 三、 根據 3D Hubs 的統計數據顯示，在 3D 列印技術中熔融層積成型技術(FDM)，最常用的線材統計表如圖示，根據你的使用經驗推測，第一名及第二名的 3D 列印線材材質為?並簡單說明這兩種線材
• 19. 核融合反應：2H + 3H → 4He + 1n + energy 2H = 2.0140 amu、3H = 3.0161 amu、4He = 4.0026 amu、1n = 1.0087 a
• 14. Using the VSEPR model, the molecular geometry of the central atom in SO2 is ________(A) linear (
• 15. Place the following substances in order of increasing vapor pressure at a given temperature.NF3
• 16. Which of the following compounds exhibits only dispersion and dipole-dipole intermolecular inter
• 17. Which of the following statements is TRUE?(A) The solubility of a solid is not dependent on eith
• 18. Consider the following reaction at equilibrium. What will happen if we add more SO3 in the syste
• 19. Which Br Φnsted-Lowry acid is not considered to be a strong acid in water?(A) HI (B) HBr (C) H2S
• 20. Which of the following is a Lewis acid?(A) BCl3(B) CH4(C) NH3(D) CHCl3(E) None of the above are
• 21. When titrating a weak monoprotic acid with NaOH at 25℃, the(A) pH will be less than 7 at the equ
• 22. Which of the following statements is TRUE?(A) Entropy is not a state function.(B) Endothermic pr
• 23. What statement is NOT true about standard electrode potentials?(A) E° cell is positive for spont
• 24. What will happen during gamma ray emission.(A) The mass number and atomic number decrease.(B) Th
• 25. Identify the element that is not used as a radioactive tracer.(A) iron-59(B) phosphorus-32(C) th
• 26. How many chiral centers are there in the following molecule?  (A) 4 (B) 5 (C) 6 (D) 7
• 12. 不同民族文化背景，對色彩的使用與認知具有不同的象徵意義，下列敘述何者不正確？(A) 國際間以綠色十字表示醫藥或安全的象徵(B) 中東許多國家的國旗採用綠色與宗教有關(C) 美國股市於資訊看板以
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