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The Birth of Quantum Theory

  • Writer: lynxrufus716
    lynxrufus716
  • Mar 17
  • 1 min read

Updated: Mar 22

On March 17, 1905, Albert Einstein published his famous paper on the Photoelectric Effect. The Photoelectric Effect is the phenomenon when the surface of a material rejects electrons when absorbing electromagnetic radiation! (AKA electrons leave when the material is hit with light) Electromagnetic radiation is usually in the form of ultraviolet or visible light. Now why is this so important?? This proves that light performs as a wave and a particle and the emitted electrons are called photoelectrons!


The effect was originally discovered in 1887 by Heinrich Rudolf Hertz. Then in 1902, Philipp Lenerd connected the relationship between light and electricity. And lastly, Einstein came up with the theory that each particle of light contains a fixed amount of energy, depending on the frequency. Einstein actually won a Nobel Price in Physics for this paper!


To learn more about this topic, read this article from Britannica!


Wanna chat? Email Loren Vale at lv090923@ohio.edu


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