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Ch36 - Chapter 36 Diffraction In Chapter 35 we saw how...

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1 Chapter 36 In Chapter 35, we saw how light beams passing through different slits can interfere with each other and how a beam after passing through a single slit flares-diffracts- in Young's experiment. Diffraction through a single slit or past either a narrow obstacle or an edge produces rich interference patterns. The physics of diffraction plays an important role in many scientific and engineering fields. In this chapter we explain diffraction using the wave nature of light and discuss several applications of diffraction in science and technology. Diffraction 36-
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2 Diffraction Pattern from a single narrow slit. Diffraction and the Wave Theory of Light 36- Central maximum Side or secondary maxima Light Fresnel Bright Spot. Bright spot Light These patterns cannot be explained using geometrical optics (Ch. 34)!
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