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In the single-slit image, a diffraction pattern (the faint spots on either side of the main band) forms due to the nonzero width of the slit. This diffraction pattern is also seen in the double-slit image, but with many smaller interference fringes.
Put up a barrier to explore single-slit diffraction and double-slit interference. Experiment with diffraction through elliptical, rectangular, or irregular apertures. Make waves with a dripping faucet, audio speaker, or laser!
Two-Slit Diffraction Pattern. The diffraction pattern of two slits of width \(a\) that are separated by a distance d is the interference pattern of two point sources separated by d multiplied by the diffraction pattern of a slit of width \(a\). In other words, the locations of the interference fringes are given by the equation
Figure \(\PageIndex{6}\): The interference pattern for a double slit has an intensity that falls off with angle. The photograph shows multiple bright and dark lines, or fringes, formed by light passing through a double slit.
Figure 14.2.1 Young’s double-slit experiment. A monochromatic light source is incident on the first screen which contains a slit . The emerging light then arrives at the second screen which has two parallel slits S S0 1 and S2. which serve as the sources of coherent light. The light waves emerging from the two slits
This is a simulation of diffraction of light by a double slit. Use the sliders to adjust the distance between the slits and the wavelength of the light. Use the checkboxes to show or hide the wavefronts, maxima, and vertical scale.
6 Αυγ 2024 · A source of white light diffracted through a double slit will produce the following diffraction pattern. It is different to that produced by a single slit or a diffraction grating; The interference pattern produced when white light is diffracted through a double slit. Each maximum is of roughly equal width
