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
