here the problem: In the Young Double Slit experiment, alternatingbands of bright and dark regions are produced on the screen. At the dark band shown in the picture below, on slit is a closer than the other slit: In other words, D1 is less than D2, Find D2-D1, Assuming that the light has a wavelength of 500nm. The Picture he shows, he said is not to scale so it wont help. there are no other measurements listed. How do i go about figuering this out????