1. The problem statement, all variables and given/known data Briefly state one characteristic of single-slit /double-slit/diffraction grating interference pattern that allow you to clearly distinguish one from the others. 2. Relevant equations None 3. The attempt at a solution Single-slit: Taller, broader central maximum. Double-slit: More intense, narrower central maximum that single-slit interference. Less intense, broader (than grating), equally spaced maxima. Diffraction grating Narrow, tall maxima. Broader minima. I don't think my answers are complete or correct or if they answer the question properly. I also have trouble understanding the reasons why those differences occur.