97. At the slit is normally incident parallel beam of monochromatic light. The diffraction pattern is projected onto the screen using a lens with a focal length f = 0,5 m. The width of the central bright band b = 5 cm. Determine how to change the width of the slit to the central strip fills the whole screen (if any width of the screen).

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)