University of British Columbia
University of British Columbia: Single Slit Diffraction Pattern of Light
Explains single slit diffraction and models how to calculate different characteristics of the light waves.
Other
University of Tennessee Knoxville: Diffraction and Interference
Explains what diffraction and interference are, and what kinds of patterns are produced when light waves pass through a single slit, a double slit, or a diffraction grating. Includes three problems for students to try, with solutions...
CK-12 Foundation
Ck 12: Single Slit Interference
[Free Registration/Login may be required to access all resource tools.] Explains what causes single slit interference of light and how to find the wavelength of a single slit interference pattern using a formula.