Question:
When 250-nm light falls on a metal, the current through a photoelectric circuit (Fig. 27–6) is brought to zero at a stopping voltage of 1.64 V. What is the work function of the metal?
Figure 27-6 The photoelectric effect.
Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014. Reprinted by permission of Pearson Education Inc., New York.
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Quick Answer:
$3.32 \textrm{ eV}$
Giancoli 7th Edition, Chapter 27, Problem 27
(1:10)