Physics 123 W'12 Homework Assignment #7, due MONDAY, 3/5/12 BY 4: 34 problems # 9, 10, 16, 20, 25, 27, 46, 47, and two additional problems below....

broad spectrum light reflects off of a thin soap film with index of refraction 1.33. The graph shows the intensity of the reflected light as a function of wavelength. The peaks and valleys correspond to wavelengths of constructive and destructive interference, respectively. Find the thickness of the film