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A diffraction pattern is produced on a screen 144 cm from a single slit, using monochromatic...

A diffraction pattern is produced on a screen 144 cm from a single slit, using monochromatic light of wavelength 520 nm. The distance from the center of the central maximum to the first-order maximum is 3.80 mm. Calculate the slit width. (Hint: Assume that the first-order maximum is halfway between the first- and second-order minima.) mm

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Answer #1

a sin = m2 The position of the mos bright fringe at angle is, y =1 tang Since angle is small tan 8 0 The width of the slit is

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