Photoelectric Effect

The maximum kinetic energy of electrons ejected from a metal surface by monochromatic light, is measured for several wavelengths. The value of Planck's constant, h, is derived by an analysis of the data in the light of Einstein theory of the photoelectric effect.

Lab Guide (PDF)

Photoelectric effect lab.

Photoelectric effect lab. (Image courtesy of Junior Lab staff.)

References

Melissinos, Adrian C. "Photoelectric Effect." In Experiments in Modern Physics. New York, NY: Academic Press, 1966.

Planck, Max. "The Genesis and Present State of Development of the Quantum Theory." Nobel Prize Lecture. Stockholm, Sweden, 1920.

Einstein, Albert. "Fundamental Ideas and Problems of the Theory of Relativity." Nobel Prize Lecture, Stockholm, Sweden, 1921.

Milikan, R. A. "A Direct Photoelectric Determination of Planck's 'h'." Phys Rev 7 (1916): 355.

Hughes, Arthur L., and Lee A. Du Bridge. Photoelectric Phenomena. Boston, MA: McGraw-Hill, 1932.

Discusses phenomena such as the velocity distribution of the electrons, effects of polarization and angle of incidence of the light, influence of the surface temperature, photoelectric behaviour of thin films and composite materials, etc.

Harnwell, G. P., and Livingood, J. J. "Thermionic and Photoelectric Effects." In Experimental Atomic Physics. Boston, MA: McGraw-Hill, 1933, pp. 214-223.