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In a photoelectric effect experiment, you illuminate potassium with 290 -nm light. The work function of potassium is 2.3 eV. What stopping potential, in volts,

In a photoelectric effect experiment, you illuminate potassium with 290-nm light. The work function of potassium is 2.3 eV.

What stopping potential, in volts, do you measure?

V0 =?

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