The yellow light from a helium discharge tube has a, Ask an Expert

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The yellow light from a helium discharge tube has a wavelength of 587.5 nm. When this light illuminates a certain diffraction grating it produces a first-order principal maximum at an angle of 1.150 degrees.

Calculate the number of lines per centimeter on the grating.

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Category:- Physics
Reference No.:- M9877929

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