阿摩線上測驗 登入

最新科目

最新試卷

115年 - 115-1 專技高考_牙醫師(二):牙醫學(六)(包括齒顎矯正學、兒童牙科學、牙科公共衛生學等科目及其相關臨床實例與醫學倫理)#137337(80題)

115年 - 115-1 專技高考_醫師(二):醫學(四)(包括小兒科、皮膚科、神經科、精神科等科目及其相關臨床實例與醫學倫理)#137336(80題)

115年 - 115-1 專技高考_醫事放射師:核子醫學診療原理與技術學#137335(80題)

115年 - 115-1 專技高考_醫師(二):醫學(六)(包括麻醉科、眼科、耳鼻喉科、婦產科、復健科等科目及其相關臨床實例與醫學倫理)#137334(80題)

115年 - 115-1 專技高考_物理治療師:物理治療基礎學(包括解剖學、生理學、肌動學與生物力學)#137333(80題)

115年 - 115-1 專技高考_醫事放射師:基礎醫學(包括解剖學、生理學與病理學)#137332(80題)

115年 - 115-1 專技高考_物理治療師:物理治療技術學(包括電療學、熱療學、操作治療學與輔具學)#137331(80題)

115年 - 115-1 專技高考_物理治療師:骨科疾病物理治療學#137330(80題)

115年 - 115-1 專技高考_醫師(一):醫學(一)(包括生物化學、解剖學、胚胎及發育生物學、組織學、生理學等科目知識及其臨床之應用)#137329(100題)

115年 - 115-1 專技高考_醫師(一):醫學(二)(包括微生物免疫學、寄生蟲學、藥理學、病理學、公共衛生學等科目知識及其臨床之應用)#137328(100題)

最新試題

16.Which of the following statements are correct? (A)If electrons have been accelerated from rest through a potential difference of 54 V, then the wavelength of electrons is 1.667 nm. (B)For high principle quantum number (n) for hydrogen atom, the spacing between the neighboring energy levels is proportional to 1/n³. (C)A particle of mass mₑ trapped in an infinite depth well of width L=1 nm. The transition from excited state n=2 to ground state n=1. The wavelength of light emitted is 886.4 nm. (D)The relation for total energy E and momentum p for a relativistic particle is E²=c²p²+m²c⁴. The product of group velocity and the phase velocity is equal to c². (E)If the electron wave function is Ce^(ikx) between x=2 and x=22 cm, zero everywhere else. The probability of finding the electron between x=0 and x=4 cm is 0.1.

15.Consider the Schrödinger Equation for the time-dependent state vector ψ(x,t) of a system. Which of the following statements are true? (A)A complete solution is given by ψ(x,t)=φE(x). (B)A complete solution is given by ψ(x,t)=φE(x)exp(iEt/ℏ). (C)The full solution can be written as a product c(t)φE(x), where c(t) is some complex function of time. (D)The function c(t) above can have any arbitrary functional form. (E)If measured at some future time, the energy of the system described by c(t)φE(x) is E.

14.Which of the following are true for electrons? (A)The same quantum state cannot be occupied by more than one electron. (B)Two electrons can have the same spin state. (C)At any temperature, electrons in a solid cannot be found above the Fermi level EF. (D)The existence of energy gap in a semiconductor can be proved within quantum physics. (E)None of the above.

最新申論題

最新課程

最新主題筆記

最新討論