Light of wavelength 450 nm falls on a 0.48 mm wide slit and forms a diffraction pattern on a screen 1.1 m away. (a) Find the position of the first...

Light of wavelength 450 nm falls on a 0.48 mm wide slit and forms a diffraction pattern on a screen 1.1 m away.(a) Find the position of the first dark band on each side of the central maximum.1 mm(b) Find the width of the central maximum.