Infrared light of wavelength 117 um illuminates a
Infrared light of wavelength 1.17 um illuminates a 0.34-mm-diameter hole. What is the angle of the first dark fringe in degrees?
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Infrared light of wavelength 1.17 um illuminates a 0.34-mm-diameter hole. What is the angle of the first dark fringe in degrees
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A 1.09-cm-diameter microscope objective has a focal length of 2.4 mm. It is used in visible light with a wavelength of 516 nm. What is the objective's resolving power if used in air
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