College Physics 10th Edition by Raymond Serway,Chris Vuille

تمرين 35

Light of wavelength 500 nm is incident normally on a diffraction grating. If the third-order maximum of the diffraction pattern is observed at 32.0°, (a) what is the number of rulings per centimeter for the grating (b) Determine the total number of primary maxima that can be observed in this situation.