Question a slit of width 011 mm is cut in a sheet of metal, Ask an Expert

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Question: A slit of width 0.11 mm is cut in a sheet of metal and illuminated with light from a mercury vapor lamp with a wavelength of 577 nm. A screen is placed 4 meters from the slit.

A- Find the width of the central peak in the diffraction pattern in meters on the screen?

Please explain how you came to your conclusion. Thanks.

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