With light from a gaseous discharge tube incident normally on a grating with slit
Chapter 36, Problem 50(choose chapter or problem)
With light from a gaseous discharge tube incident normally on a grating with slit separation 1.73 mm, sharp maxima of green light are experimentally found at angles u 17.6, 37.3, 37.1, 65.2, and 65.0. Compute the wavelength of the green light that best fits these data.
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