1. The problem statement, all variables and given/known data Monochromatic light of wavelength 463 nm from a distant source passes through a slit that is 0.0350 mm wide. In the resulting diffraction pattern, the intensity at the center of the central maximum (θ = 0∘) is 9.20*10-5W/m2 . What is the intensity at a point on the screen that corresponds to θ = 1.20∘. 2. Relevant equations I=I0*[sin(πa(sinθ)/λ) / (πasinθ/λ)]2 3. The attempt at a solution I = 9.20*10-5 * [sin(π*0.035*10-3*(sin1.20)) / 463*10-9 / π*0.035*10-3(sin1.20)/463*10-9 ] 2 = 2.802*10-8 W.m-2 This is the answer that I have found but unfortunately it has come up as wrong - I have made sure that my calculator is in degrees and not radians, and have tried multiple times to see if I have made a mistake whilst inputting in the calculator. Any idea where I have made a mistake ? PS: As I am new could you also give me any insight as to how to write my calculations out more clearly on this website, because I am aware that it is very tedious to read the calculations, thanks !