Light of wavelength 300nm shines through a single slit of width 2m and falls on a flat screen, located 3m from the slit. Which of the following is true about the diffraction pattern? a. The central bright band is wider and brighter than the other bands b. The central bright band is wider and dimmer than the other bands c. The central bright band is narrower and brighter than the other bands d. The central bright band is narrower and dimmer than the other bands