Central diffraction envelope of a double-slit diffraction

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Reference no: EM13559458

Suppose that the central diffraction envelope of a double-slit diffraction pattern contains 21 bright fringes and the first diffraction minima eliminate (are coincidentwith) bright fringes. How many bright fringes lie between the firstand second minima of the diffraction envelope?

Reference no: EM13559458

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