T) [15 points) Visible Iwhite light [which includes wavelengths from 41]] to 'i' our) passes through a diffraction grating with 3GB linesfrunt. (a) How manyr orders of the entire visible spectrum can be seen in the diffraction pattern? (b) Consider the next higlest order [past the highest order en visible spectrum you just found), which is only a partial visible spectrum. What is the longest wavelength visible in the diffraction pattern for this partial spectrum? Answers: a) 9 total (Don't forget to include n1 2 {1}; b} 1515? nm