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scattering |
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scatteringIn physics, the change in direction of motion of a particle because of a collision with another particle. The collision can occur between two charged particles; it need not involve direct physical contact. Experiments show that the trajectory of the scattered particle is a hyperbola and that, as the bombarding particle is aimed more closely toward the scattering centre, the angle of deflection decreases. The term scattering is also used for the diffusion of electromagnetic waves by the atmosphere, resulting, for example, in long-range radio reception on the ground. See also Rayleigh scattering. scattering [′skad·ə·riŋ] (electromagnetism) Diffusion of electromagnetic waves in a random manner by air masses in the upper atmosphere, permitting long-range reception, as in scatter propagation. Also known as radio scattering. (physics) The change in direction of a particle or photon because of a collision with another particle or a system. Diffusion of acoustic or electromagnetic waves caused by inhomogeneity or anisotropy of the transmitting medium. In general, causing a collection of entities to assume a less orderly arrangement. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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