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Red light with a wavelength of 725 nm enters glass with index of refraction 1.52. Located...

Red light with a wavelength of 725 nm enters glass with index of refraction 1.52. Located within the glass block is a single slit, and a screen is placed 1.25 m away. If the width of the slit is 18.5 µm, find the width of the central maximum

a. in degrees and

b. in centimeters.

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