Two narrow sits are 0.3mm apart. The dark fringe of order 4 is 1.6 degrees from the central bright fringe. What is the wavelength of the light? nm

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Two narrow slits are 0.3mm apart. The dark fringe of order 4 is 1.6 degrees from the central bright fringe. What is the wavelength of the light?
nm
Transcribed Image Text:Two narrow slits are 0.3mm apart. The dark fringe of order 4 is 1.6 degrees from the central bright fringe. What is the wavelength of the light? nm
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