In deriving the single slit diffraction pattern, it was stated that the intensity is zero at angles of nλ/a. Justify this by suitably dividing the slit to bring out the cancellation.
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In deriving the single slit diffraction pattern, it was stated that the intensity is zero at angles of nλ/a. Justify this by suitably dividing the slit to bring out the cancellation.
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Solution:
Let the single-slit of width a be divided into n smaller slits. If a’ is the width of each one of the smaller slits, a’ = a/n. For the single¬slit to produce zero intensity, each one of the smaller slits should also produce zero intensity? This is possible if
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NCERT Solutions for 12th Class Physics: Chapter 10-Wave Optics