Example of photoelectric effect
[DOC File]Lab: Photoelectric Effect
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The Photoelectric Effect in Photocells Photovoltaic cells are named for what they do: convert light (“photo”) to electricity (“voltaic”). They are made from the same materials as the well-known transistors of solid-state electronics—the class of substances called semiconductors.
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PHOTOElectric Effect Figure 1. BACKGROUND. According to the photon theory of light, the maximum kinetic energy of photoelectrons depends only on the frequency of the incident light and is independent of the intensity of light. The prediction is that the higher the frequency of the light, the greater its energy.
[DOC File]Photoelectric Effect - Universiti Sains Malaysia
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Where f is the frequency in hertz. This means the important formula for the photoelectric effect is: KE = hf – Eescape. This is a linear formula, with the KE on y-axis, frequency on the x-axis, and the escape energy (known as the work function) the y-intercept. The slope of …
Photoelectric Effect: Explanation & Applications | Live Science
Example #2. Determine the work function of a metal in Joules if the maximum threshold wavelength is 1.10 x 10-7 m. ... The photoelectric effect is the name given to the process where light waves striking the surface of a metal frees some electrons and produces an electric current. How is it possible for a light wave to liberate an electron from ...
[DOC File]INDEX OF REFRACTION , REFLECTION AT
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The term photoelectric effect can also refer to three other processes: photoionization, photoconduction, and the photovoltaic effect. Photoionization is the ionization of a gas by light or other electromagnetic radiation; the photons must possess enough energy to detach …
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