Fundamentals of Physics Study Set 2
Physics & Astronomy
Quiz 38 :
Photons and Matter Waves
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Q17 Q17 Q17
The diagram shows the graphs of the stopping potential as a function of the frequency of the incident light for photoelectric experiments performed on three different materials.Rank the materials according to the values of their work functions, from least to greatest.
Q29 Q29 Q29
Consider the following: I.A photoelectric process in which all emitted electrons have energy less than hf, where f is the frequency of the incident light. II.A photoelectric process in which some emitted electrons have kinetic energy greater than hf. III.Compton scattering from stationary electrons for which the emitted light has a frequency that is greater than that of the incident light. IV.Compton scattering from stationary electrons for which the emitted light has a frequency that is less than that of the incident light. The only possible processes are: