A thin beam of monochromatic blue light is incident upon a single slit barrier. The emerging light then passes through a double slit arrangement and falls on a screen some distance away.
An interference pattern is observed on the screen. In order to increase the distance between adjacent fringes, which of the following actions would be appropriate?
A. Move the screen closer to the double slit.
B. Use violet light.
C. Decrease the distance between the two slits.
D. Decrease the aperture of the single slit.
