The Young Two Slit Interference Model

Study the interference pattern of light
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  • License:
  • Freeware
  • Publisher Name:
  • Jose Ignacio Fernández Palop
  • File Size:
  • 757 KB

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The Young Two Slit Interference Model Description

This application was designed to simulate the interference pattern of light as it travels through two slits to a screen. This result was first described by Young who used the wave theory of light to describe the interference of light through two slits. The interference pattern is due to the difference in path length of the light from each slit as it travels to the screen. When this path length difference is an integral number of wavelengths, constructive intereference results; when this path length difference is a half integer number of wavelengths, destructive interference results. The intensity of the light that reaches the screen is related to the wavelength of light, the slit separation, and the angle away from the center of the screen. In the simulation one can change the wavelength, the slit separation, and whether the pattern is shown on a screen or on a photographic plate.


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