The specifications associated with a commercial spectrophotometer are: Diffraction grating with 600 groves per mm. Focal length,f, 370mm. Blaze angle, first order, 500 nm. What is the reciprocal of the linear dispersion? could the two emission lines of hydrogen, 656.28 nm and 656.10 nm be resolved to the baseline with a slit width of 0.010 mm?