資訊推薦

• 5. What is not correct for a \"conservative force\"?(A) It can always be associated with
• 6. Which is correct for a downhill race among a loop, a cylinder, and a solid sphere (all with the s
• 7. A block of density ρBhas a horizontal cross-sectional area A and a vertical height h. It floats i
• 8. Two sound waves differ in their intensity levels by 20 dB. What is the ratio of their displacemen
• 9. A cylindrical tank of height H is open at the top and has a diameter of D. It is filled with wate
• 10. A traveling wave on a string of linear density μ can be described by the wave function y(x, t) =
• 11. A monatomic gas undergoes the set of thermodynamic processes shown in Fig. 2. There are n mol of
• 12. A non-conducting sphere of radius R has a total charge Q spread uniformly throughout its volume.
• 13. When a ductile metal wire is stretched to N times its original length (without changing its dens
• 14. Which phenomenon can be analyzed by the mathematical tool of \"phasor\"? (A) ac circ
• 15. A capacitor of capacitance Ci is charged to a potential difference V. The terminals of the charg
• 16. The potential difference across the terminals of a battery is V1when there is a current of I1 in
• 17. Adc motor with its rotor and field coils connected in series has an internal resistance of R. Wh
• 18. A slender metal rod of length L rotates with an angular speed of ω about an axis through one en
• 19. Which is not an appropriate pair of analogy between mechanical and electrical quantities of the
• 20. An electromagnetic wave has an electric field given by E(y,t) = E0 k cos(ky -ωt). Which statemen
• 21. Which is necessary for two sources of waves to be \"coherent\"?(A) They are \"
• 22. The image of a real object produced by a convex mirror is (A) virtual； (B) erect； (C) reduced； (
• 23. Which quantity of the electron in a hydrogen atom is a constant multiplied by an integer in Bohr
• 24. An electron is accelerated by a voltage from rest until the wavelength of its matter wave is λ.W
• 25. Which behavior in the \"photoelectric effect\" can also be explained by the wave the
• 3.壓克力筆的製造材質，下列何者為非？(A)動物毛比較稀有(B)動物毛比較耐用(C)動物毛比較容易積汙變硬(D)化學合成毛不適合 。
• 7.關於繪畫材料的敘述，下列何者為錯誤？(A)水墨所使用的色料，可分為植物性與礦物性(B)鉛筆依筆心的軟硬程度，可分為水性鉛筆與油性鉛筆(C)麥克筆依顏料性質的差異，可分為水性、油性與酒精性(D)粉彩
• 15.下列關於影像處理軟體中遮色片的敘述何者正確？(A)遮色片只有黑跟白(B)在圖層中利用遮色片將特定區域塗黑可遮住下方影像(C)遮色1片無法做出漸層效果(D)遮色片可以保留原始的影像不受破壞。
• 16影像解析度是以像素為單位，通常解析度愈高品質愈好，下列何者是正確的輸出解析度？(A)350像素\/公分(B)350像素\/公厘(C)300像素\/英吋(D)300像素\/公分。