two parallel slits are illuminated first by light of wavelength 400 nm and then by light of unknown wavelength. The fourth-order fringe resulting from the known
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In a double-slit experiment, two parallel slits are illuminated first by light of wavelength 400 nm and then by light of unknown wavelength. The fourth-order fringe resulting from the known In a double slit experiment two parallel slits are illuminated first by light of wavelength 400 nm and then by light of unknown wavelength. The [...]