Page 15 - Topic 3
P. 15

Laser light illuminates two narrow parallel slits and the interference pattern produced is observed on a wall 4.00m
        away. The distance between the two slits is 0.500mm and the angular position of the fourth maximum is 0.30°. Find
        the wavelength      of the light.













        Two narrow parallel slits are illuminated by light of two wavelengths.      = 600         and       is unknown. On the
                                                                       1
                                                                                      2
        interference patterns produced on a screen, the fourth bright fringe for       coincides with the sixth bright fringe for
                                                                          1
             . Find     
         2       2


































        TRANSMISSION DIFFRACTION GRATINGS
   10   11   12   13   14   15   16   17   18   19   20