Ay = (X X L & slit to screen * Phasor Method ( clever way of bright fringe ( Maximum ) calculating intensity Ay example : Ay = e ( for N + 1 fringes, divide by N) S ( Ay) = se N Sd = 0 A = day L ay S > = 8 82 . d a best Ex: 0. 04 or LOG SL = 1 mm to 1 cmSlit Configuration #1 DATA d (mm) L (cm) # of fringes in set length of fringe set (mm) Ay (mm) A_exp (nm) A_manufacturer (nm) % error 80 10 40 625 650 ERROR ANALYSIS &d (mm) 6L (cm) 8(length of fringes) (mm) % S(A_exp)/A_exp 8(A_exp) (nm) | | | | 8(Ay) (mm) | | | |