Maximum speed of the photoelectrons emitted by the surface
Light is incident on the surface of metallic sodium, whose work function is 2.3 eV. The maximum speed of the photoelectrons emitted by the surface is 1.22 x 106 m/s. What is the wavelength of the light?
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Suppose that there are a total of 16 students in an elementary school class. The teacher assigns each of the students a report on a mainland country in either North America or South America (not including the United States) and each student is ass
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