1. The problem statement, all variables and given/known data A single slit diffracts laser light of wavelength 650 nm onto a screen 2.00 m away. The distance between the two first-order maxima on either side of the central peak is 2.05 mm. How wide is the slit? 2. Relevant equations a=width of slit y=distance from central max to specific spot L=distance of screen from the slit λ=wavelength of light sinΘ≈Θ=y/L minima occurs at: a*sinΘ=mλ (found on internet) approximation of maxima occurs at: a*sinΘ=(m+.5)λ 3. The attempt at a solution L=2m λ=650*10^-9m each maxima is the same distance from the central maxima so if the distance between the 2 first order maxima is .00205m then y=.001025m a*(.001025/2)=(1.5)(650*10^-9) I found answer to be 0.001902m (wrong) just in case I decided to try and see using the minima formula a*(.001025/2)=(650*10^-9) answer :0.001268m (wrong) any assistance would be great.