When light of wavelength of 200 nm is incident on a surface, the maximum kinetic energy of the photo-electrons is measured to be 6.0 x 10-19. What is the work function of the surface?
Answer to relevant QuestionsWhat is the longest wavelength of light that can cause the release of electrons from a metal that has a work function of 3.50 eV? Figure 27.21 shows a graph of stopping potential versus frequency for a photoelectric material. Determine (a) Planck’s constant and (b) The work function of the material from the data contained in the graph. What is half the maximum wavelength shift for Compton scattering from a free electron? X-rays of frequency 1.210 x 1018 Hz are scattered from electrons in an aluminum foil. The frequency of the scattered X-rays is 1.203 z 1018 Hz. (a) What is the scattering angle? (b) What is the recoiling speed of the ...A hydrogen atom has an ionization energy of 13.6eV. When it absorbs a photon with an energy greater than this energy, the electron will be emitted with some kinetic energy. (a) If the energy of such a photon is doubled, the ...
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