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[" Q."9." A slit of width "*" d' is illu...

[" Q."9." A slit of width "*" d' is illuminated by light of wavelength "6500A^(0)" .For what value of 'd' "],[" will."],[" [1] First minima fall at angle of diffraction of "30" degree."],[" [2] The first maxima fall at an angle of diffraction "30" degree."]

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