a grating with 2000 lines per cm is illuminated with a gas discharge tube. The gas discharge tube contains two hydrogens lines of wavelength 410 nm and 434 nm. Calculate the spacing between the first order lines on a screen 1 m from the grating.
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a grating with 2000 lines per cm is illuminated with a gas discharge tube. The gas discharge tube contains two hydrogens lines of wavelength 410 nm and 434 nm. Calculate the spacing between the first order lines on a screen 1 m from the grating.
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