When a car stops suddenly, the passengers tend to move forward relative to their seats. Why? When a car makes a sharp turn, the passengers tend to slide to one side of the car. Why?
29. Consider the following: 1. a photoelectric process in which some emitted electrons have kinetic energy greater than hf, where f is the frequency of the incident light. 2. a photoelectric process in which all emitted electrons have energy less than hf. 3. Compton scattering from stationary electrons for which the emitted light has a wave- length that is greater than that of the incident light. 4. Compton scattering from stationary electrons for which the emitted light has a wave- length that is less than that of the incident light. The only possible processes are: A. 1 B. 3 C. 1 and 3 D. 2 and 3 E. 2 and 4 ans: D 30. J. J. Thompson’s measurement of e/m for electrons provides
