Diffraction

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Diffraction Meaning and Definition in Dictionary

Definitions from Wordnet 2.0


  • when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands

Definitions from Wiktionary


  • when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands

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Diffraction Meaning and Definition in Wikipedia


Diffraction is a physics concept. Diffraction occurs when waves bend around small obstacles, or when waves spread out after they pass through small openings. Diffraction occurs with all waves, including sound waves, water waves, and electromagnetic waves such as light that the eye can see. Diffraction also occurs with matter such as electrons.

Diffraction is caused by one wave of light being shifted by a diffracting object. This shift will cause the wave to have interference with itself. Interference can be either constructive or destructive. When interference is constructive, the intensity of the wave will increase. When interference is destructive, the intensity will decrease, sometimes to a point where it is completely destroyed. These patterns of interference rely on the size of the diffracting object and the size of the wave. The strongest examples of diffraction occur in waves where the wavelength is close to the same size of the object causing the diffraction.



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Diffraction Sample Sentences in News


  • Colorful Butterfly Wings Inspire Counterfeit-Proof Tech
    In order to attract a mate, the male Pierella luna butterfly of Latin America uses its wingsto perform an advanced optical trick known as reverse color diffraction. Now, researchers at Harvard University have figured out a way to use artificial photonic materials to mimic the Pierella luna's attractive light show. They've created what's known as a diff Read more on this news related to 'Diffraction'
  • Cheating on physics gets us great microscopes and three Nobel Prizes
    The diffraction limit isn't so limiting when you can image single molecules. Read more on this news related to 'Diffraction'
  • Ultrafast electron diffraction experiments open a new window on the microscopic world
    Researchers have succeeded in simultaneously observing the reorganizations of atomic positions and electron distribution during the transformation of the “smart material” vanadium dioxide from a semiconductor into a metal – in a timeframe a trillion times faster than the blink of an eye. Read more on this news related to 'Diffraction'

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