InFig. 36.12c the central diffraction maximum contains exactly seven interferencefringes, and in this case d/a = 4. (a) What must the ratio d/abe if the central maximum contains exactly five fringes? (b) In the caseconsidered in part (a), how many fringes are contained within the firstdiffraction maximum on one side of the central maximum?

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Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.