27. (II) In a photoelectric experiment using a clean
Chapter 27, Problem 27(choose chapter or problem)
27. (II) In a photoelectric experiment using a clean sodium surface, the maximum energy of the emitted photons was measured for a number of different incident frequencies, with the following results. Plot the graph of these results and find: (a) Planck's constant; (/?) the cutoff frequency of sodium; (c) the work function.
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