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diffraction
subjectfact 
diffractionhas definition A property which distinguishes wave-like motions. When a wave is incident upon a barrier which is broken by a narrow slit (of comparable size to the wavelength), then the slit will act as a new isotopic source of secondary waves.has source: Coughlan, G.D., Dodd, J.E. 1999 The Ideas of Particle Physics, Cambridge University Press, 2001-09-27 09:29:45.0
has definition The bending of light in passing a sharp edge or tiny aperture.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:29:45.0
has definition A wave-like property of light which allows it to curl around obstacles whose size is about that of the wavelength of the light. The disturbed waves then interfere to produce ripple-patterns.has source: McLean, I.S. 1997 Electronic Imaging in Astronomy, Wiley, 2001-09-27 09:29:45.0
is a kind of radiation direction modification2001-09-27 09:29:45.0
radiation direction modificationchanges property direction2001-09-27 09:29:45.0
optical processhas domain optics2001-09-27 09:29:44.0

Kinds of diffraction :