Question: How many fringes are contained in the central diffraction peak for a double-slit pattern if (a) d=2,00D. (b) d = 4.50D. (c) d = 7.80D.

 How many fringes are contained in the central diffraction peak for a double-slit pattern if (a) d=2,00D. (b) d = 4.50D. (c) d = 7.80D.


Derive an expression for the intensity in the inter- ference pattern for three equally spaced slits.

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