PHY 112 Photoelectric Effect Lab Report (Grand Canyon University)

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PHY 112 Photoelectric Effect Lab Report (Grand Canyon University)

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PHY 112 Photoelectric Effect Lab Report (Grand Canyon University)

The photoelectric effect is a process where photons can be used to free electrons from the surface of a metal. For this lab simulation will be used in order to explore this concept as well as observe the relationship between kinetic energy and frequency of an electron (RioLearn, 2017). Concepts included in the lab as well as in relation to the simulation, if there is a sufficient frequency, then a light source is increased in intensity and the number of electrons ejected increases. As frequency is increased above the threshold, the velocity of the ejected electrons increase (RioLearn, 2017).

A photon is essentially a quantum of energy. It is applied to Plank’s equation where the amount of energy is related to the frequency of a photon. In this case, the higher the frequency, the greater the energy (RioLearn, 2017).

The purpose of this lab is to explore the relationship between the maximum kinetic energy of a freed electron and the frequency of light used to free the electron from the metal. Students should be able to describe this relationship as well as determine the threshold frequency, work function and describe the relationship between kinetic energy and stopping potential.

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