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Interference of Light: Exploring Wave Patterns and Diffraction Grating

Dive into the fascinating world of interference of light. Discover how small angles and diffraction gratings affect wave patterns for constructive and destructive interferences. Unveil the mysteries behind light interference phenomena.

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Interference of Light: Exploring Wave Patterns and Diffraction Grating

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  1. ACCESS– Summer 2014Interference of Light GernotLaicher University of Utah - Department of Physics & Astronomy

  2. For small angles ymin = radius of first dark ring q = diameter of hole d = distance from hole to screen

  3. d sin Qn (= difference in path length) Qn d Diffraction grating Whenever d sin Qn =  ml : All waves are in phase  (constructive interference); m = 0,1,2…. Otherwise they cancel each other (destructive interference). Different l means constructive interference for different Qn !

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