A diffraction grating 17.9 mm wide has 8380 rulings. Light of wavelength 240 nm is incident perpendicularly on the grating. What are the (a) largest, (b) second largest, and (c) third largest values of 0 at which maxima appear on a distant viewing screen? (a) Number i Units This answer has no units . (degrees) (b) Number i Units m kg S m/s (c) Number Units m/s^2 IN J W N/m e Textbook and Media kg.m/s or N.s N/m^2 or Pa Hint kg/m^3 g m/s^ 3 Save for Later times Attempts: 0 of 10 used Submit