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Y and Z are two parallel reflecting glass sheets a distance l apart in air. white light falls normally on Y . the light emerging from Z is analysed by a spectrometer. a dark band is observed in the spectrometer at the wavelength. the distance l must be equal to

Y and Z are two parallel reflecting glass sheets a distance l apart in air. white light falls normally on Y . the light emerging from Z is analysed by a spectrometer. a dark band is observed in the spectrometer at the wavelength. the distance l must be equal to

Grade:12th pass

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