Light of frequency 0.930 × 10^15 Hz illuminates a sodium surface. The ejected photoelectrons are found to have a maximum kinetic energy of 1.57 eV. Calculate the work function of sodium. Planck's constant is 6.63 × 10^-34 J · s. Answer in units of eV.
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Given: Planck's constant, h = 6.63 x 10^-34 J · s Frequency, f = 0.930 x 10^15 Hz Calculate the incident energy: E = 6.63 x 10^-34 J · s * 0.930 x 10^15 Hz E = 6.17 x 10^-18 J Show more…
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