In Chap. 2 we learned about several interesting properties of waves, including constructive and destructive interference. Figure 2.8 illustrates the constructive and destructive interference that occurs when two wave pulses travel in opposite directions on a one-dimensional medium such as a rope.
Glossary of Terms
The spreading of waves when they pass through an opening or around a barrier.
The superposition of two identical waves to create maxima and minima.
An instrument that splits a light beam with a half-silvered mirror and creates an interference pattern between the two beams when they recombine after traveling two different paths.
An interference pattern of concentric circles formed by multiple reflections between a flat glass surface and a convex surface.
Three-dimensional, periodic, sub-wavelength structure fashioned from semi-transparent material.
A technique used by painters to create colors by partitive (additive) mixing of small dots of paint.
The ability to separate the images of two objects that are very close to each other. The images can no longer be resolved when their diffraction patterns overlap.
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