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Light of wavelength 500 nm illuminates a round 0.50-mm diameter hole. A screen is placed 8.1 m behind the slit. What is the diameter of the central
Light of wavelength 500 nm illuminates a round 0.50-mm diameter hole. A screen is placed 8.1 m behind the slit. What is the diameter of the central bright area on the screen?
a)350um
b)4900 um
c)9.9 mm
d)20 mm
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