試題詳解

複選題
3. Which of the following statements is (are) correct? (AB) Electron diffraction by a crystal can support de Broglie's hypothesis of the wave nature of matter. (AC) Ultraviolet light, microwav ves, and gamma rays travel through empty space at different speed. (AD) Speeding tickets based on the radar reading are uncertain becausc of the Heisenberg uncertainty principle. (AE) People have difficulty in measuring both the position and velocity of objects in everyday life. (BC) The kinetic energy of the electrons ejected by the incident radiation increases with the radiation intensity. (BD) For the hydrogen atom. the Lyman series of lines are found only in the ultraviolet region of the spectrum.