Ten narrow slits are equally spaced 3.50 mm apart and illuminated with blue light of wavelength 473 nm. (a) What are the angular positions (in degrees) of the third and fifth principal maxima? (Consider the central maximum to be the zeroth principal maximum.) third principal maximum 0.023 fifth principal maximum 0.038 O (b) What is the separation (in m) of these maxima on a screen 2.0 m from the slits? 0.000523 Xm