Chapter 26, Problem 12MCP

Light of wavelength λ and frequency f passes through a single slit of width a. The diffraction pattern is observed on a screen a distance x from the slit. Which of the following will decrease the width of the central maximum? (There may be more than one correct answer.)

1. A.    Decrease the slit width.
2. B.     Decrease the frequency of the light.
3. C.     Decrease the wavelength of the light.
4. D.    Decrease the distance x of the screen from the slit.