Answer all questions.Įxperiment 1: Observe and analyze a single slit and multiple slit diffraction patterns Open a Microsoft Word document to keep a log of your procedures. In this lab you also will investigate various polarization effects. You will use these patterns to measure the width of a single slit and a hair andĮlectromagnetic waves are transverse waves. In this lab you will use a simulation to observeĪ He-Ne laser beam (λ = 633 nm) to produce diffraction and interference pattern. Multiple-slit Fraunhofer interference pattern a large distance L > d away from the slits. Regularly-spaced slits with slit-spacing d, we observe a W, we observe a Fraunhofer single slit diffraction patter n a large distance L >
When a monochromatic plane wave passes through a single slit of width Interfere, if two or more waves arrive at the same place at the same time. Physics Laboratory 9 Physics Laboratory 9Īll waves diffract, if they pass through or around obstacles, and
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