19. A better resolution for the two headlights of a car in a picture can be achieved by reducing (A) the separation of the headlights； (B) the wavelength of light； (C) the aperture diameter of the camera lens； (D) All； (E) None.

22. Which statement is not correct according to the "theory of special relativity'? (A) Whether two events at different locations are simultaneous depends on the frame； (B) The relative velocity of two objects never precede the speed of light； (C) The "effect" may appear to occur earlier than its "cause" as observed in some frames； (D) All； (E) None.

19. A better resolution for the two headlights of a car in a picture can be achieved by reducing (A) the separation of the headlights； (B) the wavelength of light； (C) the aperture diameter of the camera lens； (D) All； (E) None.

其他試題

19. A better resolution for the two headlights of a car in a picture can be achieved by reducing
(A) the separation of the headlights；
(B) the wavelength of light；
(C) the aperture diameter of the camera lens；
(D) All；
(E) None.